x^2-6x-7=-4x-4

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Solution for x^2-6x-7=-4x-4 equation: 


Simplifying
x2 + -6x + -7 = -4x + -4

Reorder the terms:
-7 + -6x + x2 = -4x + -4

Reorder the terms:
-7 + -6x + x2 = -4 + -4x

Solving
-7 + -6x + x2 = -4 + -4x

Solving for variable 'x'.

Reorder the terms:
-7 + 4 + -6x + 4x + x2 = -4 + -4x + 4 + 4x

Combine like terms: -7 + 4 = -3
-3 + -6x + 4x + x2 = -4 + -4x + 4 + 4x

Combine like terms: -6x + 4x = -2x
-3 + -2x + x2 = -4 + -4x + 4 + 4x

Reorder the terms:
-3 + -2x + x2 = -4 + 4 + -4x + 4x

Combine like terms: -4 + 4 = 0
-3 + -2x + x2 = 0 + -4x + 4x
-3 + -2x + x2 = -4x + 4x

Combine like terms: -4x + 4x = 0
-3 + -2x + x2 = 0

Factor a trinomial.
(-1 + -1x)(3 + -1x) = 0


Subproblem 1
Set the factor '(-1 + -1x)' equal to zero and attempt to solve:

Simplifying
-1 + -1x = 0

Solving
-1 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + -1x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -1x = 0 + 1
-1x = 0 + 1

Combine like terms: 0 + 1 = 1
-1x = 1

Divide each side by '-1'.
x = -1

Simplifying
x = -1

Subproblem 2
Set the factor '(3 + -1x)' equal to zero and attempt to solve:

Simplifying
3 + -1x = 0

Solving
3 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + -1x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 0 + -3
-1x = 0 + -3

Combine like terms: 0 + -3 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3
Solution
x = {-1, 3}

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