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Mathematics
Nick Jefferson
17 October, 07:49
Simplify the expression-3 (b-7)
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Jordan Ewing
17 October, 08:47
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-3 (b - 7)
Multiply - 3 into the parenthesis.
= - 3b + 21.
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Karlie Burke
17 October, 10:07
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Multiply - 3 to each term in the parentheses:
-3 (b) = - 3b
-3 (-7) = 21
These are not like terms, so write them as an expression:
-3b + 21 or 21 - 3b
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