Question

упрости выражение 3/x+y +5/x-y

Answer 1

$frac{3}{x + y} + frac{5}{x - y} \ \ frac{3(x - y) + 5(x + y)}{(x + y) times (x - y)} \ \ frac{3x - 3y + 5x + 5y}{x {}^{2} y {}^{2} } \ \ frac{8x + 2y}{x {}^{2} - y {}^{2} }$