Factorize 2x\(^2\) - 21x + 45
A
(2x - 9)(x - 5)
B
(2x-15)(x + 3)
C
(2x +15)(x - 3)
D
(2x -15(x - 3)
E
(2x - 9)(x + 5)
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
2x\(^2\) - 21x + 45
= 2x\(^2\) - 15x - 6x + 45
= x(2x - 15) - 3(2x - 15)
= (x - 3)(2x - 15)
Source: Myschool Past Questions Archive (Record #23198)