subtract 3 mn -2 m from 5 MN and -4M
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Answer:
Explanation:
There are no negatives signs, the answer is positive.
Multiply the numbers as usual: 5 x 3 = 15
ADD the indices of like bases.
m
×
m
3
=
m
4
Anything to the power of zero equals 1, so we can ignore
n
0
(but 6+0 = 6 anyway)
Put all this together in one answer:
15
m
4
n
6
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