Question

How do solve `x^2<=4x` and write the answer as a inequality and interval notation?

Answer 1

Set the equation to equal zero and solve.

Explanation:

`x^2<=4x`

`x^2-4x<=0`

`x(x-4)<=0`

`x=0, x=4`

`:. 0<=x<=4=>[0,4]`