(4x^3-5x+7)-(-8x^3-9x^2+7x+8)=

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Solution for (4x^3-5x+7)-(-8x^3-9x^2+7x+8)= equation:


Simplifying
(4x3 + -5x + 7) + -1(-8x3 + -9x2 + 7x + 8) = 0

Reorder the terms:
(7 + -5x + 4x3) + -1(-8x3 + -9x2 + 7x + 8) = 0

Remove parenthesis around (7 + -5x + 4x3)
7 + -5x + 4x3 + -1(-8x3 + -9x2 + 7x + 8) = 0

Reorder the terms:
7 + -5x + 4x3 + -1(8 + 7x + -9x2 + -8x3) = 0
7 + -5x + 4x3 + (8 * -1 + 7x * -1 + -9x2 * -1 + -8x3 * -1) = 0
7 + -5x + 4x3 + (-8 + -7x + 9x2 + 8x3) = 0

Reorder the terms:
7 + -8 + -5x + -7x + 9x2 + 4x3 + 8x3 = 0

Combine like terms: 7 + -8 = -1
-1 + -5x + -7x + 9x2 + 4x3 + 8x3 = 0

Combine like terms: -5x + -7x = -12x
-1 + -12x + 9x2 + 4x3 + 8x3 = 0

Combine like terms: 4x3 + 8x3 = 12x3
-1 + -12x + 9x2 + 12x3 = 0

Solving
-1 + -12x + 9x2 + 12x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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