x2 - 3x - 10 এর সঠিক উৎপাদক কোন দুটি?

A (x + 2)(x - 5)

B (x - 2)(x + 5)

C (x + 3)(x - 5)

D (x - 3) (x + 5)

Solution

Correct Answer: Option A

x2 - 3x - 10 এর
= x2 - 5x + 2x - 10
= x(x - 5) + 2(x - 5)
= (x - 5)(x + 2)

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