Question

expand the equation (4p+5q-2r)²​

Answer 1

16p² + 25q² + 4r² + 40pq - 20qr - 16pr

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Answer 2

$(4p + 5q - 2r) {}^{2} \\ = 16p {}^{2} + 25q {}^{2} + 4r {}^{2} + 40pq \\ - 20qr - 16r \\ \\ hope \: it \: helps$