Question

Expand the following following. (m+2n)^2
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Answer 1

Answer:

ok

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Answer 2

QUESTION:

$\\ \\ to \: \: expand \: \: the \: \: following \: \\ \\ ( {m + 2n)}^{2}$

SOLUTION:

$\\ \\ following \: \: the \: \: formula \: \\ \\ ( {x + y)}^{2} = {x}^{2} + {y}^{2} + 2xy \\ \\ to \: \: expand \: \: the \: \: following \\ \: \: we \: \: follow \: \: the \: \: formula : \\ \\ ( {m + 2n)}^{2} = {(m)}^{2} + {(n)}^{2} + 2(m)(n) \\ \\ \\ = {m}^{2} + 4 {n}^{2} + 4mn \: \\ \\ \\ answer$

FORMULA USED:

$\\ \\ \\ \\ ( {x + y)}^{2} = {x}^{2} + {y}^{2} + 2xy$