Question

x^64=x

(x-1)^4=9X-1)^2

giải hộ mình nhé

Answer 1

\(x^{64}=x\)

\(\Rightarrow\hept{\begin{cases}x=0\\x=1\end{cases}}\)

vậy \(\hept{\begin{cases}x=0\\x=1\end{cases}}\)

\(\left(x-1\right)^4=9\left(x-1\right)^2\)

\(\left(x-1\right)^4-9\left(x-1\right)^2=0\)

\(\left(x-1\right)^2.\left[\left(x-1\right)^2-3^2\right]=0\)

\(\left(x-1\right)^2.\left(x-1-3\right)\left(x-1+3\right)=0\)

\(\left(x-1\right)^2.\left(x-4\right)\left(x-2\right)=0\)

\(\Rightarrow\left(x-1\right)^2=0\)hoặc \(\orbr{\begin{cases}x-4=0\\x-2=0\end{cases}}\)

\(\Rightarrow x-1=0\)hoặc \(\orbr{\begin{cases}x=4\\x=2\end{cases}}\)

vậy \(x=1\)hoặc \(\orbr{\begin{cases}x=4\\x=2\end{cases}}\)

Answer 2

x = -1;0;1.

x = 0 .