SOLUTION: Which of the following is a factor of 10x^(2)+11x+3? [A](2x-1) [B](5x-3) [C](2x+1) [D](5x+1)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Which of the following is a factor of 10x^(2)+11x+3? [A](2x-1) [B](5x-3) [C](2x+1) [D](5x+1)      Log On


   

Question 300689: Which of the following is a factor of 10x^(2)+11x+3?
[A](2x-1) [B](5x-3) [C](2x+1) [D](5x+1)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
10x^(2)+11x+3=
We want factors of 30 which add up to 11
6 and 5
10x^2+5x+6x+3
5x*(2x+1) +3*(2x+1)=
(5x+3)*(2x+1)