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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

Mathematics

1 answer:

mixas84 [53]3 years ago

3 0

5x³ + 8x² - 7x - 6

x + 2 is a factor because when using synthetic division, the remainder is zero.

-2 | 5 8 -7 -6

| ↓ -10 4 6

5 -2 -3 0 ← remainder is zero

x + 2 is not a factor because when using synthetic division, the remainder is not zero.

-1 | 5 8 -7 -6

| ↓ -5 -3 10

5 3 -10 4 ← remainder is not zero

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