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

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


Simplifying
(7x4 + 5x3 + -9) + -1(7x2 + -9x + 8) = 0

Reorder the terms:
(-9 + 5x3 + 7x4) + -1(7x2 + -9x + 8) = 0

Remove parenthesis around (-9 + 5x3 + 7x4)
-9 + 5x3 + 7x4 + -1(7x2 + -9x + 8) = 0

Reorder the terms:
-9 + 5x3 + 7x4 + -1(8 + -9x + 7x2) = 0
-9 + 5x3 + 7x4 + (8 * -1 + -9x * -1 + 7x2 * -1) = 0
-9 + 5x3 + 7x4 + (-8 + 9x + -7x2) = 0

Reorder the terms:
-9 + -8 + 9x + -7x2 + 5x3 + 7x4 = 0

Combine like terms: -9 + -8 = -17
-17 + 9x + -7x2 + 5x3 + 7x4 = 0

Solving
-17 + 9x + -7x2 + 5x3 + 7x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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