1. Simplify (x 2 + 16)(x 2 – 16) = ? A. x 4 + 32 B. x 4 + 256 C. x 4 – 256 D. x 4 – 32
(x^2 + 16)(x^2 - 16); = x^2*x^2 + 16*x^2 - x^2*16 - 16*16; = x^4 + 16x^2 - 16x^2 - 256; = x^4 - 256
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Updated 3/8/2016 2:27:40 AM
Edited by jeifunk [3/8/2016 2:27:39 AM]
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