Question

Find the product of (2y-5) (2y-5) by using identities.

Answer 1

$(2y - 5)^{2}$
$= (2y)^{2} + 5 {}^{2} - 2(2y)(5)$
${4y}^{2} + 25 - 20y$

Answer 2

Answer:

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Step-by-step explanation:

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