ahmalzhrani
ahmalzhrani
31-01-2017
Mathematics
contestada
Can you explain plz
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Jewels128
Jewels128
31-01-2017
You will have to carry the -3 to the inside of the parentheses so it would be -3u-12+4u, then combine like-terms so -3u+4u= u and 12 stays by itself creating the answer u+12.
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