Question

(х-3)(х+2)-(х-1)(х+1)=3х+1

Answer 1

(х-3)(х+2)-(х-1)(х+1)=3х+1
х²-3х+2х-6-(х²-1)=3х+1
х²-х-6-х²+1=3х+1
-х-6+1=3х+1
-х-5=3х+1
3х+х=-5-1
4х=-6
х=-6:4
х=-3/2
х=-1.5