Question

(8x^3+30x^2+2x+40)÷(2x+8)

Answer 1

4x² - x + 5

Explanation:

`(8x^(3)+30x^(2) +2x+40)/(2x+8)`

Divided by 2 on top and bottom.

`(4x^(3)+15x^(2) +x+20 )/(x+4)`

Now we use Synthetic Division. (I attached a picture showing how I do it)

The answer is: 4x² - x + 5