log2(x)-logx(32)=4 log2(x)-1/log32(x)=4 32=2^5 log2(x)-1/log2^5(x)=4 log2(x)-5/log2(x)=4 t=log2(x) t-5/t-4=0 t^2-5-4t=0 t^2-4t-5=0 d=16+20=36 vd=6
t1=4-6/2=-1 t2=4+6/2=5 => log2(x)=-1 log2(x)=log2(2^-1) x=2^-1=1/2
log2(x)=5 log2(x)=log2(2^5) x=2^5=32