Question

tìm x

\(x^2=3x\)

Answer 1

x2 = 3x

\(\Rightarrow\) x = 3.

Answer 2

x² = 3x

\(\Rightarrow\) xx = 3x

\(\Rightarrow\) x = 3

Answer 3

Giải chi tiết fuff hd nhs:

\(x^2=3x\)

\(\Rightarrow x^2-3x=0\)

\(\Rightarrow x\left(x-3\right)=0\)

\(\Rightarrow\left[{}\begin{matrix}x=0\\x-3=0\end{matrix}\right.\)

\(\Rightarrow\left[{}\begin{matrix}x=0\\x=3\end{matrix}\right.\)

Answer 4

\(\)x²=3x

TH_1:xx=3x

=>x=3

TH₂:

Ta có:0²=0

3.0=0

=>x=0

Answer 5

=> \(\begin{matrix}x=0\\x-3=0\end{matrix}\) => \(\begin{matrix}x=0\\x=3\end{matrix}\)

Vậy x = 0 hoặc x = 3

Chúc bạn học tốt!