(2x^3-9x^2+8)-(8-9x^2+2x^3)=

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Solution for (2x^3-9x^2+8)-(8-9x^2+2x^3)= equation: 


Simplifying
(2x3 + -9x2 + 8) + -1(8 + -9x2 + 2x3) = 0

Reorder the terms:
(8 + -9x2 + 2x3) + -1(8 + -9x2 + 2x3) = 0

Remove parenthesis around (8 + -9x2 + 2x3)
8 + -9x2 + 2x3 + -1(8 + -9x2 + 2x3) = 0
8 + -9x2 + 2x3 + (8 * -1 + -9x2 * -1 + 2x3 * -1) = 0
8 + -9x2 + 2x3 + (-8 + 9x2 + -2x3) = 0

Reorder the terms:
8 + -8 + -9x2 + 9x2 + 2x3 + -2x3 = 0

Combine like terms: 8 + -8 = 0
0 + -9x2 + 9x2 + 2x3 + -2x3 = 0
-9x2 + 9x2 + 2x3 + -2x3 = 0

Combine like terms: -9x2 + 9x2 = 0
0 + 2x3 + -2x3 = 0
2x3 + -2x3 = 0

Combine like terms: 2x3 + -2x3 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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