(8(x)x)-8=(7(x)x)-2x

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Solution for (8(x)x)-8=(7(x)x)-2x equation: 


Simplifying
(8(x) * x) + -8 = (7(x) * x) + -2x

Multiply x * x
(8x2) + -8 = (7(x) * x) + -2x

Reorder the terms:
-8 + (8x2) = (7(x) * x) + -2x

Multiply x * x
-8 + (8x2) = (7x2) + -2x

Reorder the terms:
-8 + (8x2) = -2x + (7x2)

Solving
-8 + (8x2) = -2x + (7x2)

Solving for variable 'x'.

Reorder the terms:
-8 + 2x + (8x2) + (-7x2) = -2x + (7x2) + 2x + (-7x2)

Combine like terms: (8x2) + (-7x2) = 1x2
-8 + 2x + 1x2 = -2x + (7x2) + 2x + (-7x2)

Reorder the terms:
-8 + 2x + 1x2 = -2x + 2x + (7x2) + (-7x2)

Combine like terms: -2x + 2x = 0
-8 + 2x + 1x2 = 0 + (7x2) + (-7x2)
-8 + 2x + 1x2 = (7x2) + (-7x2)

Combine like terms: (7x2) + (-7x2) = 0
-8 + 2x + 1x2 = 0

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


Subproblem 1
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

Subproblem 2
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
Solution
x = {-4, 2}

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