x^2+6x-42=2(x-5)

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Solution for x^2+6x-42=2(x-5) equation: 


Simplifying
x2 + 6x + -42 = 2(x + -5)

Reorder the terms:
-42 + 6x + x2 = 2(x + -5)

Reorder the terms:
-42 + 6x + x2 = 2(-5 + x)
-42 + 6x + x2 = (-5 * 2 + x * 2)
-42 + 6x + x2 = (-10 + 2x)

Solving
-42 + 6x + x2 = -10 + 2x

Solving for variable 'x'.

Reorder the terms:
-42 + 10 + 6x + -2x + x2 = -10 + 2x + 10 + -2x

Combine like terms: -42 + 10 = -32
-32 + 6x + -2x + x2 = -10 + 2x + 10 + -2x

Combine like terms: 6x + -2x = 4x
-32 + 4x + x2 = -10 + 2x + 10 + -2x

Reorder the terms:
-32 + 4x + x2 = -10 + 10 + 2x + -2x

Combine like terms: -10 + 10 = 0
-32 + 4x + x2 = 0 + 2x + -2x
-32 + 4x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-32 + 4x + x2 = 0

Factor a trinomial.
(-8 + -1x)(4 + -1x) = 0


Subproblem 1
Set the factor '(-8 + -1x)' equal to zero and attempt to solve:

Simplifying
-8 + -1x = 0

Solving
-8 + -1x = 0

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

Add '8' to each side of the equation.
-8 + 8 + -1x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1x = 0 + 8
-1x = 0 + 8

Combine like terms: 0 + 8 = 8
-1x = 8

Divide each side by '-1'.
x = -8

Simplifying
x = -8

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 = {-8, 4}

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