5. If -5(-2x + 10) is equivalent to 10x + b, what is the value of b?

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Sawe asked Nov 24, 2022

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21 votes

5. If -5(-2x + 10) is equivalent to 10x + b, what
is the value of b?

Mathematics
high-school

Sawe asked Nov 24, 2022

by Sawe

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1 Answer

11 votes

Answer:

b = - 50

Explanation:

Using F.O.I.L (First Outer Inner Last)

-5 × - 2x = 10x

-5 × 10 = - 50

10x - 50

10x - 50 = 10x + b

10x - 10x - 50 = b

b = - 50

Nowox answered Nov 29, 2022

by Nowox

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