(9x^3-8x^2+7x+9)-(5x^2-6x+4)=

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Solution for (9x^3-8x^2+7x+9)-(5x^2-6x+4)= equation: 


Simplifying
(9x3 + -8x2 + 7x + 9) + -1(5x2 + -6x + 4) = 0

Reorder the terms:
(9 + 7x + -8x2 + 9x3) + -1(5x2 + -6x + 4) = 0

Remove parenthesis around (9 + 7x + -8x2 + 9x3)
9 + 7x + -8x2 + 9x3 + -1(5x2 + -6x + 4) = 0

Reorder the terms:
9 + 7x + -8x2 + 9x3 + -1(4 + -6x + 5x2) = 0
9 + 7x + -8x2 + 9x3 + (4 * -1 + -6x * -1 + 5x2 * -1) = 0
9 + 7x + -8x2 + 9x3 + (-4 + 6x + -5x2) = 0

Reorder the terms:
9 + -4 + 7x + 6x + -8x2 + -5x2 + 9x3 = 0

Combine like terms: 9 + -4 = 5
5 + 7x + 6x + -8x2 + -5x2 + 9x3 = 0

Combine like terms: 7x + 6x = 13x
5 + 13x + -8x2 + -5x2 + 9x3 = 0

Combine like terms: -8x2 + -5x2 = -13x2
5 + 13x + -13x2 + 9x3 = 0

Solving
5 + 13x + -13x2 + 9x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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