(7b^3-b^2)-(b^3+6b^2+4)=

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Solution for (7b^3-b^2)-(b^3+6b^2+4)= equation: 


Simplifying
(7b3 + -1b2) + -1(b3 + 6b2 + 4) = 0

Reorder the terms:
(-1b2 + 7b3) + -1(b3 + 6b2 + 4) = 0

Remove parenthesis around (-1b2 + 7b3)
-1b2 + 7b3 + -1(b3 + 6b2 + 4) = 0

Reorder the terms:
-1b2 + 7b3 + -1(4 + 6b2 + b3) = 0
-1b2 + 7b3 + (4 * -1 + 6b2 * -1 + b3 * -1) = 0
-1b2 + 7b3 + (-4 + -6b2 + -1b3) = 0

Reorder the terms:
-4 + -1b2 + -6b2 + 7b3 + -1b3 = 0

Combine like terms: -1b2 + -6b2 = -7b2
-4 + -7b2 + 7b3 + -1b3 = 0

Combine like terms: 7b3 + -1b3 = 6b3
-4 + -7b2 + 6b3 = 0

Solving
-4 + -7b2 + 6b3 = 0

Solving for variable 'b'.

The solution to this equation could not be determined.

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