4x2 − 13x − 12 এর উৎপাদক কত?

A (x−4)(4x+3)

B (2x−4)(2x−3)

C (2x−4)(2x+3)

D (x+4)(4x−3)

Solution

Correct Answer: Option A

4x2-13x-12x
=4x2-16x+3x-12
=4x(x-4)+3(x-4)
=(x-4)(4x+3)

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