4 years ago

4X²+ 3x² - 6x + 8

Mathematics

1 answer:

tatyana61 [14]4 years ago

3 0

Answer:

Below.

Step-by-step explanation:

4X²+ 3x² - 6x + 8

Part A.

If x+3 is a factor then f(-3) = 0.

f(-3) = 4(-3)^3 + 3(-3)^2 - 6(-3) + 8

= -108 + 27 + 18 + 8

= -55

So x+3 is NOT a factor.

Part B.

We worked this out in Part A:

-55.

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