(2/3)(x的平方)+(1/3)x=2
问题描述:
(2/3)(x的平方)+(1/3)x=2
答
(2/3)(x的平方)+(1/3)x=2
2x^2+x-6=0
(2x-3)(x+2)=0
x=3/2 或x= -2