Divide.
(x^2+ 10x + 28) / (x+5)

Your answer should give the quotient and the remainder.

   quotient: x+5     ||       remainder: 3

Explanation:

                     ____x_+_5______ ............this is quotient

_____|  

  |                 -----------------------------

  |                    

  |               -----------------------------

  |                     5x + 28

  |                     5x + 25

  |                 -----------------------

  |                          3  ...............................this is remainder.

  |

this is the dividend

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0