Question

-2 : x= x : (-32)

Giúp mình với

Answer 1

\(\dfrac{-2}{x}=\dfrac{x}{-32}\)

\(\Rightarrow x.x=\)\(\left(-2\right).\left(-32\right)=64\)

\(\Rightarrow x=\sqrt{64}=8\)

Answer 2

\(\dfrac{-2}{x}=\dfrac{x}{-32}\Rightarrow x^2=\left(-2\right).\left(-32\right)=64\Rightarrow x^2=\left(+-8\right)^2\Rightarrow x=8;x=-8\)

Answer 3