(b^2+8b+12)(b-4)=

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Solution for (b^2+8b+12)(b-4)= equation: 


Simplifying
(b2 + 8b + 12)(b + -4) = 0

Reorder the terms:
(12 + 8b + b2)(b + -4) = 0

Reorder the terms:
(12 + 8b + b2)(-4 + b) = 0

Multiply (12 + 8b + b2) * (-4 + b)
(12(-4 + b) + 8b * (-4 + b) + b2(-4 + b)) = 0
((-4 * 12 + b * 12) + 8b * (-4 + b) + b2(-4 + b)) = 0
((-48 + 12b) + 8b * (-4 + b) + b2(-4 + b)) = 0
(-48 + 12b + (-4 * 8b + b * 8b) + b2(-4 + b)) = 0
(-48 + 12b + (-32b + 8b2) + b2(-4 + b)) = 0
(-48 + 12b + -32b + 8b2 + (-4 * b2 + b * b2)) = 0
(-48 + 12b + -32b + 8b2 + (-4b2 + b3)) = 0

Combine like terms: 12b + -32b = -20b
(-48 + -20b + 8b2 + -4b2 + b3) = 0

Combine like terms: 8b2 + -4b2 = 4b2
(-48 + -20b + 4b2 + b3) = 0

Solving
-48 + -20b + 4b2 + b3 = 0

Solving for variable 'b'.

The solution to this equation could not be determined.

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