Question

The remainder when x
3
– 3x
2+11 is divided by x + 1 is

Answer 1

Answer:

5

Step-by-step explanation:

Let's rearrange it to get factors of x+1:

• 3x^3-3x^2+11=
• 3x^3+3x^2-6x^2-6x+6x+6+5=
• 3x^2*(x+1)-6x*(x+1)+6(x+1)+5=
• (x+1)(3x^2-6x+6) +5

So as we see above remainder is 5