6a2 + a - 15 এর একটি উৎপাদক নিচের কোনটি?
Solution
Correct Answer: Option A
6a² + a - 15
= 6a² + 10a - 9a -15
= 2a(3a + 5) - 3(3a + 5)
= (3a + 5)(2a - 3)
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