(8b^4-b^3)-(b^4+4b^3-4)=

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Solution for (8b^4-b^3)-(b^4+4b^3-4)= equation: 


Simplifying
(8b4 + -1b3) + -1(b4 + 4b3 + -4) = 0

Reorder the terms:
(-1b3 + 8b4) + -1(b4 + 4b3 + -4) = 0

Remove parenthesis around (-1b3 + 8b4)
-1b3 + 8b4 + -1(b4 + 4b3 + -4) = 0

Reorder the terms:
-1b3 + 8b4 + -1(-4 + 4b3 + b4) = 0
-1b3 + 8b4 + (-4 * -1 + 4b3 * -1 + b4 * -1) = 0
-1b3 + 8b4 + (4 + -4b3 + -1b4) = 0

Reorder the terms:
4 + -1b3 + -4b3 + 8b4 + -1b4 = 0

Combine like terms: -1b3 + -4b3 = -5b3
4 + -5b3 + 8b4 + -1b4 = 0

Combine like terms: 8b4 + -1b4 = 7b4
4 + -5b3 + 7b4 = 0

Solving
4 + -5b3 + 7b4 = 0

Solving for variable 'b'.

The solution to this equation could not be determined.

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