Question

Use long division to calculate: (x^2−2x−30)÷(x+7)
A. x+5
B. x+5+5/x+7
C. x−9+33/x+7
D. x−7

Answer 1

(x^2-2x-30) = (x+7)(x-9) + 33

So it's equal to (x-9) + 33/(x+7)