3 years ago

Please help! URGENT! will award 30 points & brainliest!

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

4 0

Answer:

i believe it is -21, but i'm not sure

Step-by-step explanation:

just foil the two to get a quadratic expression

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Step-by-step explanation:

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3 years ago

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First, I am going to give you some definitions.This will help you do the problems.

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- Supplementary angles have a combined sum of 180.

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Make sure you learn the definitions properly next time!

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Step-by-step explanation:

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