SOLUTION: i need to factor this polynomial completely 4z^3-12z^2-16z+48

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Question 491839: i need to factor this polynomial completely 4z^3-12z^2-16z+48
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
4z^3-12z^2-16z+48
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4z^2(z-3)-16(z-3)
---
(z-3)(4z^2-16)
----
= 4(z-3)(z^2-4)
----
= 4(z-3)(z-2)(z+2)
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Cheers,
Stan H.
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