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

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


Simplifying
(9x4 + 3x3 + -2) + -1(7x2 + -8x + 9) = 0

Reorder the terms:
(-2 + 3x3 + 9x4) + -1(7x2 + -8x + 9) = 0

Remove parenthesis around (-2 + 3x3 + 9x4)
-2 + 3x3 + 9x4 + -1(7x2 + -8x + 9) = 0

Reorder the terms:
-2 + 3x3 + 9x4 + -1(9 + -8x + 7x2) = 0
-2 + 3x3 + 9x4 + (9 * -1 + -8x * -1 + 7x2 * -1) = 0
-2 + 3x3 + 9x4 + (-9 + 8x + -7x2) = 0

Reorder the terms:
-2 + -9 + 8x + -7x2 + 3x3 + 9x4 = 0

Combine like terms: -2 + -9 = -11
-11 + 8x + -7x2 + 3x3 + 9x4 = 0

Solving
-11 + 8x + -7x2 + 3x3 + 9x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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