Question

multiplicar : ax -ax+1+ ax+2 por a+1

Answer 1

ax-ax+1+ax+2
a+1
______________
a^2_x +ax
-a^2_x-ax+a+1
a^2_x+ax+2a+2
______________
a^2x+ax+3a+3
=3a+a^2_x+ax+3