Question

algebric identities( 2x + 5) 2 by using identity 1​

Answer 1

Answer:

See the above attachment.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given (2x+5)²

               ↓

It is in the form of (a+b)² and we know that (a+b)²=a²+b²+2ab

a²=(2x)²

b²=(5)²

(2x+5)=(2x)²+(5)²+2(2x)(5)

          =4x²+25+20x

          =4x²+20x+25

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