X+2(x^2-1)=8

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Solution for X+2(x^2-1)=8 equation: 


Simplifying
X + 2(x2 + -1) = 8

Reorder the terms:
X + 2(-1 + x2) = 8
X + (-1 * 2 + x2 * 2) = 8
X + (-2 + 2x2) = 8

Reorder the terms:
-2 + X + 2x2 = 8

Solving
-2 + X + 2x2 = 8

Solving for variable 'X'.

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

Add '2' to each side of the equation.
-2 + X + 2 + 2x2 = 8 + 2

Reorder the terms:
-2 + 2 + X + 2x2 = 8 + 2

Combine like terms: -2 + 2 = 0
0 + X + 2x2 = 8 + 2
X + 2x2 = 8 + 2

Combine like terms: 8 + 2 = 10
X + 2x2 = 10

Add '-2x2' to each side of the equation.
X + 2x2 + -2x2 = 10 + -2x2

Combine like terms: 2x2 + -2x2 = 0
X + 0 = 10 + -2x2
X = 10 + -2x2

Simplifying
X = 10 + -2x2

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