Question

$frac{ x^{2}- 10xy + 25 y^{2} }{ x^{2} - 25y^{2}}$



Упростить уравнение.

Answer 1

$= frac{(x^{}- 5^{}) ^{2} }{(x-5y)(x+5y)} = frac{x-5y}{x+5y}$