Question 639191
<pre>
          x² = x³

Get 0 on the right

     x² - x³ = 0

Factor the left side:

    x²(1-x) = 0

Use the zero-factor property:

x² = 0; 1-x = 0
 x = 0;  -x = -1
          x = 1

We get two values for x. They are 0 and 1.

Edwin</pre>