A x3 - 15x - 14 = 0
B 5x2 - 11x - 12 = 0
C 11x2 + 16x - 15 = 0
D কোনটাই নয়
Correct Answer: Option B
(x - 3)(5x + 4) =5x2+4x-15x-12 =5x2 - 11x - 12
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