dtoniharris dtoniharris

02-09-2017
Mathematics

contestada

Multiply or find the special product. (Simplify your answer completely.)
[(x − 8y) + z][(x − 8y) − z]

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Banabanana Banabanana

03-09-2017

You can use formula (a-b)(a+b) = a² - b²

[(x − 8y) + z][(x − 8y) − z]
= (x - 8y)² - z²
= x² - 16xy + 64y² - z² ← answer

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