Question

Using suitable identity (3p-5)^2. ^ means raised to

Answer 1

Hey there,

Since (A-B)²=A²+B²-2AB
(3p-5)²=9p²+25-30p

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Answer 2

(a-b)^2=(a^2)+(b^2)-2ab so the answer is (9p^2)-30p+25