(-x^3+8x^2-11x+7)-(2x^3-5x^2+7x-12)=

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Solution for (-x^3+8x^2-11x+7)-(2x^3-5x^2+7x-12)= equation: 


Simplifying
(-1x3 + 8x2 + -11x + 7) + -1(2x3 + -5x2 + 7x + -12) = 0

Reorder the terms:
(7 + -11x + 8x2 + -1x3) + -1(2x3 + -5x2 + 7x + -12) = 0

Remove parenthesis around (7 + -11x + 8x2 + -1x3)
7 + -11x + 8x2 + -1x3 + -1(2x3 + -5x2 + 7x + -12) = 0

Reorder the terms:
7 + -11x + 8x2 + -1x3 + -1(-12 + 7x + -5x2 + 2x3) = 0
7 + -11x + 8x2 + -1x3 + (-12 * -1 + 7x * -1 + -5x2 * -1 + 2x3 * -1) = 0
7 + -11x + 8x2 + -1x3 + (12 + -7x + 5x2 + -2x3) = 0

Reorder the terms:
7 + 12 + -11x + -7x + 8x2 + 5x2 + -1x3 + -2x3 = 0

Combine like terms: 7 + 12 = 19
19 + -11x + -7x + 8x2 + 5x2 + -1x3 + -2x3 = 0

Combine like terms: -11x + -7x = -18x
19 + -18x + 8x2 + 5x2 + -1x3 + -2x3 = 0

Combine like terms: 8x2 + 5x2 = 13x2
19 + -18x + 13x2 + -1x3 + -2x3 = 0

Combine like terms: -1x3 + -2x3 = -3x3
19 + -18x + 13x2 + -3x3 = 0

Solving
19 + -18x + 13x2 + -3x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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