Question

3)Expand the following. (m + 2n)
2​

Answer 1

Answer:

Your answer➡➡➡

$(m + 2n)^{2} \\ = m^{2} + 2 \times b \times 2n + (2n)^{2} \\ = {m}^{2} + 4nb + 4n^{2}$

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