..(58/x+4)*x(x-4) + (42/x-4)*x(x+4) = (100/x)*(x-4)(x+4)
58x^2-232x+42x^2+168x=100x^2-1600
100x^2-64x-100x^2+1600=0
-64x=-1600
x=25
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X^(log(3)x²-(3^log(3)x)^log(3)x=6
x^(log(3)x²-x^(log(3)x=6
x^(log(3)x=t
t²-t-6=0
t1+t2=1 U t1*t2=-6
t1=3⇒x^log(3)x=3
log(3)x*log(3)x=log(3)3
log²(3)x=1
log(3)x=-1⇒x=1/3 U log(3)x=1⇒x=3
t2=-2⇒x^log(3)x=-2 нет решения