factorize-px-2-py-2-qy-2-px-2-

Question Number 58568 by olalekan2 last updated on 25/Apr/19

f a c t o r i z e

{p x}^{2} - {p y}^{2} + {q y}^{2} - {p x}^{2}

Commented by malwaan last updated on 26/Apr/19

I t h i n k t h e l a s t t e r m i s {q x}^{2}

Answered by peter frank last updated on 25/Apr/19

{q y}^{2} - {p y}^{2}

y^{2} (q - p)

Answered by malwaan last updated on 26/Apr/19

p (x^{2} - y^{2}) + q (y^{2} - x^{2})

= (x - y) (x + y) (p - q)

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