Mathematics

Factorize 2x(^2) – 21x + 45

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)