3 years ago

Find the sum of – 7x2 - 6x + 9 and - 3x2 - x + 7.

Mathematics

1 answer:

marusya05 [52]3 years ago

4 0

Answer:

-7x - 4

Step-by-step explanation:

(-7 x 2) - 6x + 9 + (-3 x 2) - x + 7

-14 - 6x + 9 - 6 - x + 7

-7x - 4

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