foodalexandre
foodalexandre
16-05-2017
Mathematics
contestada
-7a-2b cubed+2c when a=-1 b=2 and c=-3
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AnnabethChase139
AnnabethChase139
16-05-2017
-7(-1) - 2 (2)^3 + 1(-3)
7 - 2(8) -3
7 - 15 - 3
-8 -3
-11
The answer ia -11.
Answer Link
sassyfrass1999
sassyfrass1999
22-05-2017
-7a-2b^3 +2c
-7(-1) -2(2)^3 +2(-3)
7 -2(8) -6
7-16-6
-15
The correct answer is -15
Answer Link
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