Correct Answer: Option B
3x2 - 7x - 6
f(3)=3(3)2-7(3)-6
=27-21-6
=0
অতএব, x-(3)=x-3, 3x2 - 7x - 6 এর একটি উৎপাদাক
এখন, 3x2 - 7x - 6
=3x2 -9x+2x-6
=3x(x-3)+2(x-3)
=(x-3)(3x+2)
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