27/x(x+3)-2/x=3/x(x-3)
О.З. х(х-3)(х+3)≠0⇒х≠0,х≠3,х≠-3
27(х-3)-2(х²-9)-3(х+3)=0
27х-81-2х²+18-3х-9=0
-2х²+24х-72=0
х²-12х+36=0
(х-6)²=0⇒х-6=0⇒х=6
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X^3 + 4*x^2 - 4*x -16 = x^2 * (x + 4) - 4 * (x - 4) = <span>(x + 4) * (x^2 - 4)</span>
2р1,5+3(-4)+5р=0
8р-12=0
8р=12
р=12/8
р=1.5