Multiply $4 m n$ by ${(- 1)}^{7} p^{2} q - 4 m n p^{2} q$

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Solution

$(4 m n) \times ((- 1)^{7} p^{2} q - 4 m n p^{2} q)$
$= - 4 m n p^{2} q - 16 m^{2} n^{2} p^{2} q$
$= - 4 m n p^{2} q (1 + 4 m n)$

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Multiply 4mn by (−1)7p2q−4mnp2q

(4mn)×((−1)7p2q−4mnp2q)=−4mnp2q−16m2n2p2q=−4mnp2q(1+4mn)

Multiply $4 m n$ by ${(- 1)}^{7} p^{2} q - 4 m n p^{2} q$

$(4 m n) \times ((- 1)^{7} p^{2} q - 4 m n p^{2} q)$
$= - 4 m n p^{2} q - 16 m^{2} n^{2} p^{2} q$
$= - 4 m n p^{2} q (1 + 4 m n)$