Question

用配方法解方程3分之2x的平方-3分之4x+6分之1=0

Answer 1

2/3x^2-4/3x+1/6=2/3(x^2-2x)+1/6

=2/3(x^2-2x+1-1)+1/6=2/3(x-1)^2-1/2=0

(x-1)^2=3/4 x-1=±√3/2 x=1±√3/2