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How do you factor $25a^2-36b^2$ ?

1 Answer

Konstantinos Michailidis

Feb 6, 2016

Using the identity $a^2-b^2=(a-b)*(a+b)$ we have that

$25a^2-36b^2=(5a)^2-(6b)^2=(5a-6b)*(5a+6b)$

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