write the following algebraic expression using the identity (a+b)(a-b)=a
1.(3+2a)²-25b²
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Answered by
1
Answer:
Step-by-step explanation:
Identity :- a^2 - b^2 = (a+b)(a-b)
> (3+2a)^2 - 25b^2
> (3+2a)^2 - (5b)^2
> (3+2a+5b) (3+2a-5b)
Answered by
0
Step-by-step explanation:
Identity - a^2 - b^2 = (a+b) (a-b)
> (3+2a)^2 - 25b^2
> (3+2a)^2 - (5b)^2
> (3+2a+5b) (3+2a-5b)
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