Question

(a+b)square - (a-b) square

Help me solve it plz​

Answer 1

Answer:

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Answer 2

Answer:

The answer is 4ab.

Step-by-step explanation:

(a+b)2−(a−b)2

=((a+b)+(a−b))((a+b)−(a−b))

=(a+b+a−b)(a+b−a+b)

=(a+a)(b+b)

=(2a)(2b)

=4ab