(-2*x^3+7x^2-9x+2)+(7x^3+6x^2-9x-6)=

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


Simplifying
(-2x3 + 7x2 + -9x + 2) + (7x3 + 6x2 + -9x + -6) = 0

Reorder the terms:
(2 + -9x + 7x2 + -2x3) + (7x3 + 6x2 + -9x + -6) = 0

Remove parenthesis around (2 + -9x + 7x2 + -2x3)
2 + -9x + 7x2 + -2x3 + (7x3 + 6x2 + -9x + -6) = 0

Reorder the terms:
2 + -9x + 7x2 + -2x3 + (-6 + -9x + 6x2 + 7x3) = 0

Remove parenthesis around (-6 + -9x + 6x2 + 7x3)
2 + -9x + 7x2 + -2x3 + -6 + -9x + 6x2 + 7x3 = 0

Reorder the terms:
2 + -6 + -9x + -9x + 7x2 + 6x2 + -2x3 + 7x3 = 0

Combine like terms: 2 + -6 = -4
-4 + -9x + -9x + 7x2 + 6x2 + -2x3 + 7x3 = 0

Combine like terms: -9x + -9x = -18x
-4 + -18x + 7x2 + 6x2 + -2x3 + 7x3 = 0

Combine like terms: 7x2 + 6x2 = 13x2
-4 + -18x + 13x2 + -2x3 + 7x3 = 0

Combine like terms: -2x3 + 7x3 = 5x3
-4 + -18x + 13x2 + 5x3 = 0

Solving
-4 + -18x + 13x2 + 5x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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