3 years ago

7 (3a-2b) + 5b-3 (4a+2)

Mathematics

1 answer:

weeeeeb [17]3 years ago

8 0

Answer: 9a-9b-6

7(3a−2b)+5b−3(4a+2)

Distribute:

7(3a−2b)+5b−3(4a+2)

=(7)(3a)+(7)(−2b)+5b+(−3)(4a)+(−3)(2)

=21a+−14b+5b+−12a+−6

Combine Like Terms:

=21a+−14b+5b+−12a+−6

=(21a+−12a)+(−14b+5b)+(−6)

=9a+−9b+−6

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