Question

X³+X²+3x+1 by X—2
Do it by long division method

Answer 1

The Answer and the working are provided  in the attachement

Answer 2

Answer:

x²+3x+9

_________

x-2 ) x³+x²+3x+1

(-) x³-2x²

(-) (+)

______

3x²+3x

(-) 3x²-6x

(-) (+)

_______

9x+1

(-) 9x-18

(-) (+)

______

19

______

Quotient = x²+3x+9

Remainder = 19