2x2 + x - 15 এর উৎপাদ কোনটি ? 

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

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

C (x-3(2x+5)

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

Solution

Correct Answer: Option A

2x2 + x - 15 

= 2x2 + 6x - 5x - 15 

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

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

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