Factorize the following expression; 2x2 + x - 15
A
(2x+5)(x-3)
B
(2x-5)(x+3)
C
(2x-5)(x-3)
D
(2x-3)(x+5)
E
(2x+5)(x+3)
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
2x 2 + x - 15; 2x 2 + 6x - 5x - 15
(2x 2 + 6x) - ( 5x + 15)
2x(x + 3) - 5(x + 3)
(2x - 5)(x + 3)
Source: Myschool Past Questions Archive (Record #22349)