Question

(x +a) - x : a (a+1) + 1

Answer 1

Respuesta:

(x +a) - x : a (a+1) + 1

$(x +a) - x : a (a+1) + 1\\\\\frac{\left(x+a\right)-x}{a\left(a+1\right)+1}\\\\=\frac{x+a-x}{a\left(a+1\right)+1}\\\\x+a-x=a\\\\=\frac{a}{a\left(a+1\right)+1}$