Question

evaluate 81/36 x2 -y2 /25​

Answer 1

Answer:

$\frac{81}{36} {x}^{2} - \frac{ {y}^{2} }{25} \\ \\ = {( \frac{9x}{6} }^{2} ) - {( \frac{y}{5} )}^{2} \\ \\ ( \frac{9x}{6} - \frac{y}{5} )( \frac{9x}{6} + \frac{y}{5} ) \\ \\ ( \frac{15x - 2y}{10} )( \frac{15x - 2y}{10} )$