# X-4x-5 = 0

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Add 5 to each side. x2 - 4x + 4 = 5 + 4. Complete the square by adding 4 to each side. (x - 2)2 = 9. Factor the perfect square trinomial.

21.06.2021

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y = x2 - 4x -5. Step 1: Find the x-coordinate of the vertex- -b/2a. x = 4/2 = 2 Step 4: Find the x-intercepts by setting y = 0 and factoring or quadratic formula. Sal determines how many solutions the equation x²+14x+49=0 has by -4x^2+( 41/2)x-5/2 = 0 and from this equation you see that -4x^2+(41/2)x-5/2 is yet Phân tích thành nhân tử : a. x^2 - 4x - 5 = 0. b.

## Solve for x 4x-5=0. Add to both sides of the equation. Divide each term by and simplify. Tap for more steps Divide each term in by . Cancel the common factor of . Tap for more steps Cancel the common factor. Divide by . The result can be shown in multiple forms. Exact Form: Decimal Form:

Problema 17. Determinare l'equazione della retta passante per i punti A(2; –5/2) e B(–4;7/2). y = x2 - 4x -5.

### Set the factor ' (5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 0 Move all terms containing x to the left, all other terms to the right.

Cancel the common factor of . Tap for more steps Cancel the common factor. Divide by . The result can be shown in multiple forms. Exact Form: Decimal Form: 2x2-4x-5=0 Two solutions were found : x =(4-√56)/4=1-1/2√ 14 = -0.871 x =(4+√56)/4=1+1/2√ 14 = 2.871 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - 4x) - 5 = 0 To use the direct factoring method, the equation must be in the form x^2+Bx+C=0. r + s = -4 rs = -5 Let r and s be the factors for the quadratic equation such that x^2+Bx+C=(x−r)(x−s) where sum of factors (r+s)=−B and the product of factors rs = C x-5y=2 Geometric figure: Straight Line Slope = 0.400/2.000 = 0.200 x-intercept = 2/1 = 2.00000 y-intercept = 2/-5 = -0.40000 Rearrange: Rearrange the equation by subtracting what is Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Solve by Factoring x^2+4x-5=0.

Solve by Factoring x^2+4x-5=0. x2 + 4x − 5 = 0 x 2 + 4 x - 5 = 0. Factor x2 + 4x−5 x 2 + 4 x - 5 using the AC method. Tap for more steps Consider the form x 2 + b x + c x 2 + b x + c. Find a pair of integers whose product is c c and whose sum is b b.

Related Symbolab blog posts. Middle School Math Solutions – Equation Calculator. Welcome to our new "Getting Started" math solutions series. Over the … 5.2 Find roots (zeroes) of : F(x) = 4x 5-7x 4 +61x 3 +64x 2-180x-144 Polynomial Roots Calculator is a set of methods aimed at finding values of x for which F(x)=0 Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers x which can be expressed as the quotient of two integers 28/07/2015 05/01/2017 29/05/2018 4.1.47 Find f such that f'(x) = 4x - 5, f(6) = 0 . Get more help from Chegg. Solve it with our calculus problem solver and calculator So, if an equation f(x) = 0 can be rearranged to the form x = F(x), finding any fixed points of the iterative sequence x n+1 = F(x n) may lead to solutions for f(x)=0.

24 Sep 2018 Verify your answers by graphing the function in a standard viewing window. 2. + ( a) y= x -4x-5. X-4X-520. (x-5)(x+1)=0.

Solving a Single Variable Equation : 3.2 Solve : x-3 = 0 Add 3 to both sides of the equation : x = 3. Solving a Single Variable Equation : 3.3 Solve : x-4 = 0 Add 4 to both sides of the equation : x = 4. Solving a Single Variable Equation : 3.4 Solve : x-5 = 0 0. \bold{=} + Go. Related » Graph » Number Line » Examples » Correct Answer :) Let's Try Again :(Try to further simplify. Verify Related. Number Line.

x^ {2}-4x-5=0. All equations of the form ax^ {2}+bx+c=0 can be solved using the quadratic formula: \frac {-b±\sqrt {b^ {2}-4ac}} {2a}. The quadratic formula gives two solutions, one when ± is addition and one when it is subtraction. Solve for x (x-5)(x+4)=0 If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .

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### Consider f(x) = 4x + 5 on [0,3]. Compute L_6 and R_6 over [0,3]. Use geometry to find the exact area A and compute the errors.

\bold{=} + Go. Related » Graph » Number Line » Examples » Correct Answer :) Let's Try Again :(Try to further simplify. Verify Related. Number Line. Graph. Hide Sep 03, 2020 · 1 0. husoski. Lv 7.

## Swap sides so that all variable terms are on the left hand side. Swap sides so that all variable terms are on the left hand side. 4x-5=y. 4x − 5 = y. Add 5 to both sides. Add 5 to both sides. 4x=y+5. 4x = y + 5. Divide both sides by 4.

You have f(x) = u(v(x)) where u(x) = x^4 and v(x) = x^2 - 4x - 5. The chain rule says: Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history Apr 28, 2020 · x = 2, you might recognize this as the most familiar Pythagorean triple, the sides of a familiar right triangle. The function 5^x - 4^x - 3^x is negative for all values of x < 2, and positive for all values of x > 2, so x = 2 is the only solution. Get the answer to Solve the Equation x-4=5 with the Cymath math problem solver - a free math equation solver and math solving app for calculus and algebra. Free antiderivative calculator - solve integrals with all the steps. Type in any integral to get the solution, steps and graph 2 The solution to x – 4x – 5 ≥ 0 is (−∞,−1]∪[5,∞) Note 1: When we are using test points we are only interested in the sign of the answer (is it positive or negative) and so we could find this out by using the factored form of the quadratic.

The result can be shown in multiple forms.