Question

Solve. 2x^2 + x = 15.

Answer 1

ANSWER CHOICES
x = 5/2 and x = -3
x = 2 and x = -15
x = -2 and x = 5/3
x = 17 and x = 13

Answer 2

2x^2 - x + 15=(2x+5)(x-3)

Answer 3

so A ?

Answer 4

2x^2 + x = 15
2x^2 +x -15=0
2x^2 +6x-5x-15=0
2x(x+3)-5(x+3)=0
(2x-5)(x+3)=0
2x-5=0 or x+3=0
x=5/2 or x=-3