Question

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$(2p + m + n) {}^{2}$
please help me help me please​

Answer 1

Step-by-step explanation:

$({2p + m + n})^{2} \\ {2p}^{2} + {m}^{2} + {n}^{2} +4pm + 2 mn + 4np$

$( {a + b + c)}^{2} = {a}^{2} + {b}^{2} + {c}^{2} + 2ab + 2bc + 2ca$