paytonburwell paytonburwell

02-11-2020
Mathematics

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What is the factored form of this expression? 9x^2-64y^2

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yumadken yumadken

02-11-2020

The answer is (3x-8y)x(3x+8y)

and i know this because if you
9x^2-64x^2

3^2 x^2-8^2 y^2

(3x)^2-(8y)^2
which will then get you the answer (3x-8y)x(3x+8y)

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can somebody please help me.