x的平方毕数含减3x加2等于0
x^2-3x+9/4-1/4=0
(x-3/2)^2=1/3
x-3/毕空2=1/2或x-3/手笑2=-1/2
x=2或x=1
x^2-3x+2=0
x^2-3x+9/尘轿4-9/液裂4+2=0
(x-3/2)^2=1/4
x-3/2=1/派埋肆2或x-3/2=-1/2
x=2或x=1
2x的平方减3x加2等于0的解
用配方法解方程x的平方减3x加2等于0
x的平方毕数含减3x加2等于0
x^2-3x+9/4-1/4=0
(x-3/2)^2=1/3
x-3/毕空2=1/2或x-3/手笑2=-1/2
x=2或x=1
x^2-3x+2=0
x^2-3x+9/尘轿4-9/液裂4+2=0
(x-3/2)^2=1/4
x-3/2=1/派埋肆2或x-3/2=-1/2
x=2或x=1
2x的平方减3x加2等于0的解