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

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


Simplifying
(5x4 + 9x3 + -7) + -1(5x2 + -3x + 8) = 0

Reorder the terms:
(-7 + 9x3 + 5x4) + -1(5x2 + -3x + 8) = 0

Remove parenthesis around (-7 + 9x3 + 5x4)
-7 + 9x3 + 5x4 + -1(5x2 + -3x + 8) = 0

Reorder the terms:
-7 + 9x3 + 5x4 + -1(8 + -3x + 5x2) = 0
-7 + 9x3 + 5x4 + (8 * -1 + -3x * -1 + 5x2 * -1) = 0
-7 + 9x3 + 5x4 + (-8 + 3x + -5x2) = 0

Reorder the terms:
-7 + -8 + 3x + -5x2 + 9x3 + 5x4 = 0

Combine like terms: -7 + -8 = -15
-15 + 3x + -5x2 + 9x3 + 5x4 = 0

Solving
-15 + 3x + -5x2 + 9x3 + 5x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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