Question

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

Answer 1

x2+x-x-1-x2+3x=0
3x-1=0
x=1/3

2x+0.5=1
2x=1-0.5
2x=0.5
x=0.25 или 1/4

Answer 2

1) х²-1-х²+3х=0
3х=1
х=1/3

2) x-1/3+x+1/6=1
3х-1+3х+0,5=1
6х=2-0,5=3/2
х=3/(2*6)=1/4=0,25