Question

Find the following by using identity-1

(2x+5) power 2
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Answer 1

Answer:

4x^2+20x+25

Step-by-step explanation:

(2x+5)^2

(a+b)^2=a^2+2ab+b^2

(2x+5)^2=(2x)^2+2×2x×5+(5)^2

=4x^2+20x+25

Answer 2

Step-by-step explanation:

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