Log3(2x²+x) = log3(6)-log3(2)
log3(2x²+x)=log3(6:2)=log3(3)
2x²+x=3
2x²+x-3=0
D=1²-4*2*(-3)=1+24=25=5²
x=(-1±5)/2*2
x1=-6/4=-1,5
x2=4/4=1
log²2(x)-5log2(x)+6=0
log2(x)=a
a²-5a+6=0
D=5²-4*6=25-24=1
a=(5±1)/2
a1=6/2=3
a2=4/2=2
log2(x)=3
x=2³=8
log2(x)=3
x=3³=27