x+42x+3
x+42x−3
x−42x+3
x−42x−3
Correct answer is D
2x2−5x−124x2−9 = 3x2−8x+3x−12(2x)2−32
= 32(x−4)+3(x−4)(2x−3)(2x+3)−(x−4)+(2x+3)(2x−3)(2x+3)
= x−42x−3
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