(1)(3x-1)²-4(2x+3)²=0
(3x-1)²-(4x+6)²=0
(3x-1+4x+6)(3x-1-4x-6)=0
(7x+5)(-x-7)=0
x1=-5/7 x2=-7
(2)2(t-1)²+t=1
2(t-1)²+t-1=0
(2t-2+1)(t-1)=0
(2t-1)(t-1)=0
t1=1/2 t2=1
(1)(3x-1)²-4(2x+3)²=0
(3x-1)²-(4x+6)²=0
(3x-1+4x+6)(3x-1-4x-6)=0
(7x+5)(-x-7)=0
x1=-5/7 x2=-7
(2)2(t-1)²+t=1
2(t-1)²+t-1=0
(2t-2+1)(t-1)=0
(2t-1)(t-1)=0
t1=1/2 t2=1