Question

simplify (2a-b-c)^2+(a+2b)^2
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Answer 1

Step-by-step explanation:

Hope you get this answer.

Answer 2

$\huge\mathcal\red{ Answer}$

$2 {a}^{2} + {b}^{2} + {c}^{2} + 4ab - 2bc + 4ac + \\ {a}^{2} + 4 {b}^{2} + 4ab$

$2 {a}^{2} + 5 {b}^{2} + {c}^{2} + 8ab - 2bc + 4ac$

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