Question

expand:
(2a+b²)=4a²+b²+4ab how?? Answer me step by step please ​

Answer 1

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Answer 2

Step-by-step explanation:

(2a+b) ² is in the form of (a+b) ²

we know that (a+b)²= a²+b²+2ab

now, we can solve it as

(2a)²+b² + 2(2a×b)

= 4a²+ b² + 4ab