Question

(х-6)(х+6)-(2х-3)(х-1)=6-х²

Answer 1

(х-6)(х+6)-(2х-3)(х-1)=6-х²; х²-36-2х²+2х+3х+3=6-х²; -х²+5х+х²=36+6-3; 5х=39; х= 7,8