2006-11-17T18:22:31Z https://matematicasies.com/ecuaciones-bicuadradas,522#comment36 2006-11-17T18:22:31Z

<p><img src='https://matematicasies.com/local/cache-TeX/03d2264514cbb4d36143404d828307bb.png' style="vertical-align:middle;" width="315" height="65" alt="x=1, \quad x=-1, \quad x=\frac{1}{2}, \quad x=-\frac{1}{2}" title="x=1, \quad x=-1, \quad x=\frac{1}{2}, \quad x=-\frac{1}{2}"><br class="autobr"> </p>