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spin [16.1K]
3 years ago
10

(−2y 2 +6y−1)−(−4y 2 −3y+9)

Mathematics
2 answers:
Eva8 [605]3 years ago
5 0
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Combine Like Terms:
=
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10
Ksivusya [100]3 years ago
5 0

Answer:

2y2+9y−10

Step-by-step explanation:

Distribute the Negative Sign:

=−2y2+6y−1+−1(−4y2−3y+9)

=−2y2+6y+−1+−1(−4y2)+−1(−3y)+(−1)(9)

=−2y2+6y+−1+4y2+3y+−9

Combine Like Terms:

=−2y2+6y+−1+4y2+3y+−9

=(−2y2+4y2)+(6y+3y)+(−1+−9)

=2y2+9y+−10

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