Question

умооляю решите срооочноооо
ДАЮ 50 БАЛОВ

Answer 1

6x+9x(x+0.6)=6(x+0.6)

6x+9x²+5.4x=6x+3.6

9x²+5.4x-3.6=0

3x²+1.8x-1.2=0

x²+0.6x-0.4=0

D=0.36+4×0.4=0.36+1.6=1.96

x1=-0.6-1.4/2=-1

x2=-0.6+1.4/2=4/10