Respuesta :

Billymkhoi
-4(3x+ 6y)+ 12x+ 4y
= -4*3x -4*6y+ 12x+ 4y
= -12x -24y+ 12x+ 4y (distributive property)
= (-12x+ 12x)+ (-24y+ 4y)
= 0+ (-20y)
= -20y

The final answer is -20y~