Question

Evaluate the expression x^2 - y^2, if x = -3, and y= 2

Answer 1

$\\ \rm\longmapsto x^2-y^2$

$\\ \rm\longmapsto (-3)^2-(2)^2$

$\\ \rm\longmapsto 9-4$

$\\ \rm\longmapsto 5$