Question

(-5-m)²............evaluate​

Answer 1

Answer:

(-5-m)²

-(5+m)²

Using identity=(a+b)²=a²+b²+2ab

Here, a=5 and b=m

-(25+m²+10m)

-25-m²-10m

Your answer=

-25-m²-10m

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Answer 2

Answer:

${ ( - 5 - m)}^{2} = { ( - 5)}^{2} + {m}^{2} - 2 \times - 5 \times m \\ = 25 + {m}^{2} + 10m$

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