Question

(2p-q/5-3)(2p+q/5+3) simplify

Answer 1

$( \frac{2p - q}{5 - 3} )( \frac{2p + q}{5 + 3} )$

$( \frac{2p - q}{2} )( \frac{2p + q}{8} )$

$\frac{(2p - q)(2p + q)}{16}$

Using identity

(a+b) (a-b) = a²-b²

$\frac{(2p) {}^{2} - {q}^{2} }{16}$

$\frac{4p {}^{2} - {q}^{2} }{16}$

Hope it helps

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