(׳-14×+8)÷(×+1)

Question

Using synthetic division

Answer 1

x^2 - x -13 with remainder of 21

last row of sythetic division will be 1,-1,-13, 21

which are the coefficients in order of the terms' exponents

x^3 -14x +8 divided by x+1 is x^2-x-13+21/(x+1)