(10x^4-10x^2-8)-(x^4-8x^3+4)=

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Solution for (10x^4-10x^2-8)-(x^4-8x^3+4)= equation: 


Simplifying
(10x4 + -10x2 + -8) + -1(x4 + -8x3 + 4) = 0

Reorder the terms:
(-8 + -10x2 + 10x4) + -1(x4 + -8x3 + 4) = 0

Remove parenthesis around (-8 + -10x2 + 10x4)
-8 + -10x2 + 10x4 + -1(x4 + -8x3 + 4) = 0

Reorder the terms:
-8 + -10x2 + 10x4 + -1(4 + -8x3 + x4) = 0
-8 + -10x2 + 10x4 + (4 * -1 + -8x3 * -1 + x4 * -1) = 0
-8 + -10x2 + 10x4 + (-4 + 8x3 + -1x4) = 0

Reorder the terms:
-8 + -4 + -10x2 + 8x3 + 10x4 + -1x4 = 0

Combine like terms: -8 + -4 = -12
-12 + -10x2 + 8x3 + 10x4 + -1x4 = 0

Combine like terms: 10x4 + -1x4 = 9x4
-12 + -10x2 + 8x3 + 9x4 = 0

Solving
-12 + -10x2 + 8x3 + 9x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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