Question

Descompuneti in factori $x^{2}$ - $y^{2}$

Answer 1

$x^{2}-y^{2}=(x+y)*(x-y)$

Answer 2

$Descompunerea~in~factori~se~realizeaza~astfel: \\ x^{2} - y^{2}=(x+y)*(x-y)$