2x2-x-15 এর উৎপাদক হচ্ছে-

A (x+6)(x-5)
B (x+3)(2x-5)
C (2x+5)(x-3)
D (x-6)(x-5)

Correct Answer: (2x+5)(x-3)

2x2 - x - 15 = 2x2 - 6x + 5x - 15 = 2x(x - 3) + 5(x - 3) = (x - 3)(2x + 5)
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