Question

Х во 2 степени - х-6=0

Answer 1

$_{} x^{2} -x-6=0\ x^{2} +2x-3x-6=0\ x*(x+2)-3(x+2)=0\ (x+2)*(x-3)=0\ x+2=0\ x-3=0\x _{1} =-2\ x_{2}= 3$