How do you factor $49p³q - 36pq³$ ?

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Answer 1 · 2018-03-07T11:55:08

$pq(7p+6q)(7p-6q)$

$49p^3q-36pq^3 =pq(49p^2-36q^2)$

$=pq((7p)^2-(6q)^2)$

$=pq(7p+6q)(7p-6q) ;[a^2-b^2= (a+b)(a-b)]$

$=pq(7p+6q)(7p-6q)$ [Ans]

How do you factor 49p³q - 36pq³49p³q - 36pq³?