Factorize: 4a^2-b^2+2a+b
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Answer:
=(2a+b)(2a+b+1)
Step-by-step explanation:
=[(2a)^2-(b)^2]+(2a+b)
=[(2a+b)(2a-b)]+(2a+b)
=(2a+b)[(2a-b)+1]
=(2a+b)(2a+b+1)
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