SOLUTION: Find the zeros. f(x)= ((3x^2-2x-1)/(13+5x)) Enter the exact answers(formula) in increasing order.

Algebra ->  Finance -> SOLUTION: Find the zeros. f(x)= ((3x^2-2x-1)/(13+5x)) Enter the exact answers(formula) in increasing order.       Log On


   

Question 1014896: Find the zeros.
f(x)= ((3x^2-2x-1)/(13+5x))
Enter the exact answers(formula) in increasing order.
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.
Find the zeros.
f(x)= ((3x^2-2x-1)/(13+5x))
-----------------------------------

The zeroes are the zeroes of the numerator.
So, solve this quadratic equation

3x%5E2-2x-1 = 0.

Use factoring: 3x%5E2-2x-1 = (x-1)*(3x+1).

The roots are x = -1%2F3 and x = 1.