Question

(ax+au)(x-u) как решить

Answer 1

$(ax + au)(x - u) = a {x}^{2} + aux - aux - a {u}^{2} = a {x}^{2} - a {u}^{2}$

Answer 2

(ах+аu)×(x-u)
ax^2-aux+aux-au^2
ax^2-au^2