3x2+11x-6=0
3x2+7x+6=0
3x2-11x-6=0
3x2-7x-6=0
Correct answer is D
x=−23⟹x+23=0
x=3⟹x−3=0
⟹(x−3)(x+23)=0
x2−3x+23x−2=0
x2−73x−2=0
3x2−7x−6=0
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