SOLUTION: simplify using positive exponents (x-4)(x+4x+16)

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Question 167625: simplify using positive exponents
(x-4)(x+4x+16)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(x-4)(x+4x+16)
= (x-4)(5x+16)
= 5x^2 -4x - 64
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Chers,
Stan H.