3x2 + x - 10 এর উৎপাদক কত?

A (x + 2) (3x -5)

B (x - 2) (3x -5)

C (x + 2) (3x + 5)

D (3x + 2) (x - 5)

Solution

Correct Answer: Option A

   3x2 + x - 10
= 3x2 + 6x - 5x - 10
= 3x(x + 2) - 5 (x + 2)
= (x + 2) (3x -5)

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