x^2-7x-13=-5x-5

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Solution for x^2-7x-13=-5x-5 equation:


Simplifying
x2 + -7x + -13 = -5x + -5

Reorder the terms:
-13 + -7x + x2 = -5x + -5

Reorder the terms:
-13 + -7x + x2 = -5 + -5x

Solving
-13 + -7x + x2 = -5 + -5x

Solving for variable 'x'.

Reorder the terms:
-13 + 5 + -7x + 5x + x2 = -5 + -5x + 5 + 5x

Combine like terms: -13 + 5 = -8
-8 + -7x + 5x + x2 = -5 + -5x + 5 + 5x

Combine like terms: -7x + 5x = -2x
-8 + -2x + x2 = -5 + -5x + 5 + 5x

Reorder the terms:
-8 + -2x + x2 = -5 + 5 + -5x + 5x

Combine like terms: -5 + 5 = 0
-8 + -2x + x2 = 0 + -5x + 5x
-8 + -2x + x2 = -5x + 5x

Combine like terms: -5x + 5x = 0
-8 + -2x + x2 = 0

Factor a trinomial.
(-2 + -1x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-2, 4}

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