Question

Solve. 2x^2 + x = 15.

Answer 1

subtract 15 from both sides.
You get a quadratic equation.
Try to solve it using factoring, if all else fails, use the quadratic equation

Answer 2

-3, 5/2

Answer 3

2x^(2)+x=15

2x^(2)+x-15=0

(x+3)(2x-5)=0

x=-3,(5)/(2)