2x2 +x-15 এর একটি উৎপাদক কোনটি?
A (x+3)(2x-5)
B (x-3)(2x-5)
C (x-3)(2x+5)
D (x+3)(2x+5)
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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