Question

2x(x的三次方）-3x（的平方）+1=0怎么算（过程）拜托各位大神

Answer 1

2x^3-3x+1=0 (2x^3-2x)-(x-1)=0 2x(x-1)-(x-1)(x+1)=0 (x-1)(2x-x-1)=0 (x-1)(2x+1)(x-1)=0 即：(x-1)(2x+1)=0 解得：x1,2=1；x3=-1/2