Discuss Forum

1. x2 + x - 20 এর উৎপাদক কোনটি?

  • A. (x + 5) (x + 4)
  • B. (x + 5) (x + 4)
  • C. (x + 5) (x + 4)
  • D. (x + 5) (x + 4)

Answer: Option C

Explanation:

x- x -20

=x2 -5x + 4x -20

=x(x-5) + 4(x-5)

=(x-5) (x+4)


Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.