2x^2-3x-(3/2)=0
发布网友
共1个回答
热心网友
2x^2-3x-(3/2)=0
4x^2-6x-3=0
(2x)^2-6x+(3/2)^2=5.25
(2x-3/2)^2=5.25
2x-3/2=±√5.25
2x=3/2±√5.25
x=3/4±√5.25/2
