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

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


Simplifying
(9x4 + 2x3 + -4) + -1(5x2 + -8x + 3) = 0

Reorder the terms:
(-4 + 2x3 + 9x4) + -1(5x2 + -8x + 3) = 0

Remove parenthesis around (-4 + 2x3 + 9x4)
-4 + 2x3 + 9x4 + -1(5x2 + -8x + 3) = 0

Reorder the terms:
-4 + 2x3 + 9x4 + -1(3 + -8x + 5x2) = 0
-4 + 2x3 + 9x4 + (3 * -1 + -8x * -1 + 5x2 * -1) = 0
-4 + 2x3 + 9x4 + (-3 + 8x + -5x2) = 0

Reorder the terms:
-4 + -3 + 8x + -5x2 + 2x3 + 9x4 = 0

Combine like terms: -4 + -3 = -7
-7 + 8x + -5x2 + 2x3 + 9x4 = 0

Solving
-7 + 8x + -5x2 + 2x3 + 9x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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