Question 292299
  x^2 + 11x + 18 divde by x+2    (x+2 becomes -2)

1.take the first number out of each term:

x^2 =1, 11x=11, 18= 18

2.divide each term by -2

-2) 1  11  18
         -2 -18
_________________
    1  9   0

x^2 = turns to x
11x = turns to 9
18= turns to 0

the answer wil be: x+9