Question

find the product
of

(2a-5 )(2a-5)​

Answer 1

Answer:

4a^2+25-20a

put the formula (a-b) ^2=a^2+b^2-2ab

Step-by-step explanation:

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Answer 2

Answer:

(2a-5)(2a-5)

=$(2a - 5) {}^{2}$

using identity( a-b)whole square=

=$(a) {}^{2} + (b) {}^{2} - 2ab$

=$(2a) { }^{2} +( 5b) {}^{2} - 2(2a)(5b)$

=$4a {}^{2} + 25b {}^{2} -20ab$

Thanks!!!!

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