Question

Factorise the expressions:4(a+b)^2-28b(a+b)+49b^2

Answer 1

I have provided your answer in the picture, I hope it is clear like this.

If you prefer a written explanation, please feel free to ask and I write it.

Answer 2

Step-by-step explanation:

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1. Factorise the expressions:4(a+b)^2-28b(a+b)+49b^2