Problem : What is 3x5 -7x4 -11x3 +31x2 - 28x - 60 divided by x - 3?

3x4 +2x3 -5x2 + 16x + 20.

Problem : What is 2x4 +8x3 +2x2 - 3x + 18 divided by x + 2?.

2x3 +4x2 - 6x + 9.

Problem : What is x4 -7x3 +10x2 + 4x - 20 divided by x - 5?

x3 -2x2 + 4.

Problem : What is 3x5 +15x4 +6x3 -18x2 + 75x + 63 divided by 3x + 9?

x4 +2x3 -4x2 + 6x + 7.

Problem : What is x5 +8x4 +12x3 - 8x - 48 divided by x + 6?

x4 +2x3 - 8.

Problem : Is any of the following a factor of x4 + x3 -13x2 - x + 12? a) x - 2
b) x + 4
c) x - 3
d) x + 3
e) x - 1
f) x

a) No.
b) Yes.
c) Yes.
d) No.
e) Yes.
f) No.