Question

using the identity and find the product (2x+5) (2x+5)​

Answer 1

Answer:

Using (a−b)(a−b)=a 2 +b 2−2ab

For the above expression, keeping a=2x and b=5, we get

(2x−5)(2x−5)=4x 2 +25−20x

Answer 2

Answer:

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