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)
Correct Answer: Option D
Explanation
2x(^2) – 21x + 45
= 2x(^2) – 15x – 6x + 45
= x(2x – 15) – 3(2x – 15)
= (x – 3)(2x – 15)