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OpenStudy (anonymous):
Use the “difference of squares” rule to factor the following expression: 64z⁴-81a⁴
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OpenStudy (mayankdevnani):
(8z)^2-(9a)^2
OpenStudy (mayankdevnani):
a^2-b^2=(a+b)(a-b) (8z+9a)(8z-9a)
OpenStudy (mayankdevnani):
ok @sharron482
OpenStudy (mayankdevnani):
@thivitaa am i right?
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