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levacccp [35]
3 years ago
11

Find the difference (2ab+7a+1)-(8ab+9)

Mathematics
1 answer:
Masteriza [31]3 years ago
7 0

Hello.

The answer is: −6ab+7a−8

Distribute the Negative Sign:

=2ab+7a+1+−1(8ab+9)

=2ab+7a+1+−1(8ab)+(−1)(9)

=2ab+7a+1+−8ab+−9

Combine Like Terms:

=2ab+7a+1+−8ab+−9

=(2ab+−8ab)+(7a)+(1+−9)

=−6ab+7a+−8

Have  a nice day

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