Question

^3√(x²-9x)=-2?

Answer 1

you mean 3rd root of (x^2-9x)=-2 ?

Answer 2

\[\sqrt[3]{x^2-9x}=-2\] ?????

Answer 3

x^2-9x=-8
x^2-9x+8=0
(x-1)(x-8)=0
x={1,8}

Answer 4

yes!