Question

tap hop cac so nguyen x thoa man  \(x^2\)-4x=0 la.............

Answer 1

x²-4x=0

<=>x(x-4)=0

<=>x=0 hoặc x-4=0

<=>x=0 hoặc x=4

Answer 2

x=0;x=4

Answer 3

là 4 ;0 theo mình là vậy

Answer 4

\(x^2-4x=0\)

\(\Leftrightarrow x\left(x-4\right)=0\)

\(\Leftrightarrow\)\(x=0\) hoặc \(x-4=0\)

\(\Leftrightarrow x=0\) hoặc \(x=4\)

\(\Rightarrow x\in\left\{0,4\right\}\)

Answer 5

x^2=4x

x=4;x=-4