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How do i factor this completely?
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4 votes
How do i factor this completely?

How do i factor this completely?-example-1
User Cocoanetics
by
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1 Answer

4 votes
b^3z + 27z
=z(b^3 + 3^3)
=z(b+3)(b^2 -3b + 9)

because
a^3 + b^3 = (a+b)(a^2 − ab + b^2)

answer
z(b+3)(b^2 -3b + 9)
User Sbkl
by
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