1,用公式法解更好
解;2(m-2)²+m=1
2m²-7m+7=0
7²-4*7*2=-7∴无解
2,解;12X²+7X+1=0
(3x+1)(4x+1)=0
x=-1/3或-1/4
3,解;(3X-1)²-4(2X+3)²=0
(3x-1+4x+6)(3x-1-4x-6)=0
(7x+5)(-x-7)=
x=-5/7或-7
4,解;(x-根号3)²=5X(根号3-X)
(x-根号3)²+5X(x-根号3)=0
(x-根号3+5x)(x-根号3)=0
x=根号3/6或根号3