Respuesta :
first distribute
a(b+c)=ab+ac
4(5x-6)=20x-24
-4(2x+1)=-8x-4
20x-24-8x-4=
20x-8x-24-4=
12x-28
C is answer
a(b+c)=ab+ac
4(5x-6)=20x-24
-4(2x+1)=-8x-4
20x-24-8x-4=
20x-8x-24-4=
12x-28
C is answer