Question

\(\dfrac{x}{-2}=\dfrac{-8}{x}\)

Answer 1

\(\dfrac{x}{-2}=\dfrac{-8}{x}\\ x.x=-8.\left(-2\right)\\ TH1:x^2=16\\ x^2=4^2\\ x=4\\ TH2:x^2=-16\\ x^2=-4^2\\ x=-4\)

Answer 2

`x/(-2)=(-8)/x`

`=>x.x=(-2).(-8)`

`=>x^2=16`

`=>x^2=4^2`

\(\Rightarrow\left[{}\begin{matrix}x=4\\x=-4\end{matrix}\right.\)

Answer 3

\(\dfrac{x}{-2}=\dfrac{-8}{x}\)

\(=>x.x=-8.\left(-2\right)\)

\(=>x^2=16\)

\(=>x^2=4^2\)

\(=>\left[{}\begin{matrix}x=4\\x=-4\end{matrix}\right.\)