Question

how would i simplify this expression -3(b-7). can some one please help

Answer 1

simplified to  -3b + 21

Answer 2

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Question
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-3(b-7)

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multiply the -3 to every of the terms inside the bracket
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= -3(b) -3(-7)

= -3b + 21 $\Longleftarrow Note \ that \ (-) \ and \ (-) \ will \ give \ you \ a \ (+)$

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Answer: -3b + 21
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