2x2 - x - 3 এর উৎপাদক কোনটি?

A (2x - 3)(x + 1)

B (2x - 3)(x - 1)

C (2x + 3)(x + 1)

D (2x + 3)(x - 1)

Solution

Correct Answer: Option A

2x2 - x - 3
= 2x2 - 3x + 2x - 3
= x(2x - 3) + 1(2x - 3)
= (2x - 3)(x + 1)

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