(1)(x-1)^2=4
(2)x^2+2x=1
(3)3y^2-6y+2=0
(4)x^2-5x-14=0
(5)(2x-1)^2=3x(2x-1)
(6)4(x-3)^2-25(x-2)^2=0
(7)(2x+1)^2+4(2x+1)=-4
(8)(x+3)(x-1)=4x-4
(10)(x^2-4x+3)(x+2)=0
(1)(x-1)^2=4
(2)x^2+2x=1
(3)3y^2-6y+2=0
(4)x^2-5x-14=0
(5)(2x-1)^2=3x(2x-1)
(6)4(x-3)^2-25(x-2)^2=0
(7)(2x+1)^2+4(2x+1)=-4
(8)(x+3)(x-1)=4x-4
(10)(x^2-4x+3)(x+2)=0
(1)(x-1)^2=4
x^2-2x+1=4
x^2-2x-3=0
(x+1)(x-3)=0
x=-1 x=3
(2)x^2+2x=1
x^2+2x+1=2
(x+1)^2=2
x+1=+-根号2
x=-1+-根号2
(3)3y^2-6y+2=0
3(y^2-2y)=-2
3(y-1)^2=1
(y-1)^2=1/3
y=1+-根号(1/3)
(4)x^2-5x-14=0
(x+2)(x-7)=0
x=-2 x=7
(5)(2x-1)^2=3x(2x-1)
(2x-1)^2-3x(2x-1)=0
(2x-1-3x)(2x-1)=0
(-1-x)(2x-1)=0
x=1/2 x=-1
(6)4(x-3)^2-25(x-2)^2=0
(7)(2x+1)^2+4(2x+1)=-4
(2x+1)^2+4(2x+1)+4=0
(2x+1+2)^2=0
(2x+3)^2=0
x=-3/2
(8)(x+3)(x-1)=4x-4
(x+3)(x-1)-4(x-1)=0
(x+3-4)(x-1)=0
(x-1)^2=0
x=1
(10)(x^2-4x+3)(x+2)=0
(x—1)(x-3)(x+2)=0
x=1 x=3 x=-2
简单的就不说了 这个要自己做才行 是在想不到的就用求根公式把解求出来 再用(x-x1)(x-x2)=0