Question

factories py-p+y-1(y-1)²​

Answer 1

Answer:

do the separate in py-p

the common was p(y-1)+y-1(y-1)²

what was the (y-1)²

a²-2ab-b²

(y)²-2(y)(1)-(1)

y²-2y-1

hope it will help you

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