If 5a² - 9a + 7 is subtracted from 14a² +2a + 16, what is the difference?
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Answer:
Distribute the Negative Sign:
=14a²+2a+16+−1(5a²−9a+7)
=14a²+2a+16+−1(5a²)+−1(−9a)+(−1)(7)
=14a²+2a+16+−5a²+9a+−7
Combine Like Terms:
=14a²+2a+16+−5a²+9a+−7
=(14a²+−5a²)+(2a+9a)+(16+−7)
=9a²+11a+9 is the answer ...
hope it helps....
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