x^2-6x-15=4x-4

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Solution for x^2-6x-15=4x-4 equation: 


Simplifying
x2 + -6x + -15 = 4x + -4

Reorder the terms:
-15 + -6x + x2 = 4x + -4

Reorder the terms:
-15 + -6x + x2 = -4 + 4x

Solving
-15 + -6x + x2 = -4 + 4x

Solving for variable 'x'.

Reorder the terms:
-15 + 4 + -6x + -4x + x2 = -4 + 4x + 4 + -4x

Combine like terms: -15 + 4 = -11
-11 + -6x + -4x + x2 = -4 + 4x + 4 + -4x

Combine like terms: -6x + -4x = -10x
-11 + -10x + x2 = -4 + 4x + 4 + -4x

Reorder the terms:
-11 + -10x + x2 = -4 + 4 + 4x + -4x

Combine like terms: -4 + 4 = 0
-11 + -10x + x2 = 0 + 4x + -4x
-11 + -10x + x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
-11 + -10x + x2 = 0

Factor a trinomial.
(-1 + -1x)(11 + -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 '(11 + -1x)' equal to zero and attempt to solve:

Simplifying
11 + -1x = 0

Solving
11 + -1x = 0

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

Add '-11' to each side of the equation.
11 + -11 + -1x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -1x = 0 + -11
-1x = 0 + -11

Combine like terms: 0 + -11 = -11
-1x = -11

Divide each side by '-1'.
x = 11

Simplifying
x = 11
Solution
x = {-1, 11}

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