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10-12-2020
Mathematics

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Simplify (-5x^2 - 3x - 7) + (-2x^3 + 6x^2 - 8)

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amorette555 amorette555

10-12-2020

Answer:

−2x3+x2−3x−15

Step-by-step explanation:

Simplify step-by-step.

−5x2−3x−7−2x3+6x2−8

=−5x2+−3x+−7+−2x3+6x2+−8

Combine Like Terms:

=−5x2+−3x+−7+−2x3+6x2+−8

=(−2x3)+(−5x2+6x2)+(−3x)+(−7+−8)

=−2x3+x2+−3x+−15

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