taylorgrant34 taylorgrant34

17-11-2020
Mathematics

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(9a^2 + 7a + 8) - (2a^2 + 5a + 1)

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sfervin35 sfervin35

17-11-2020

Answer: 7a^2+2a+7

Step-by-step explanation:Distribute the Negative Sign:

=9a2+7a+8+−1(2a2+5a+1)

=9a2+7a+8+−1(2a2)+−1(5a)+(−1)(1)

=9a2+7a+8+−2a2+−5a+−1

Combine Like Terms:

=9a2+7a+8+−2a2+−5a+−1

=(9a2+−2a2)+(7a+−5a)+(8+−1)

=7a2+2a+7

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