(3 x-4 y)^2-25 z^2 - Vidyadip

Question

$(3 x-4 y)^2-25 z^2$

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Answer

$(3 x-4 y)^2-25 z^2$
$=(3 x-4 y)^2-(5 z)^2$
$=(3 x-4 y+5 z)(3 x-4 y-5 z)$

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