Respuesta :
7b + 4 (-b +3)
= 7b +4*(-b)+ 4*3
= 7b -4b+ 12
= 3b + 12
The final answer is 3b+12.
Hope this helps~
= 7b +4*(-b)+ 4*3
= 7b -4b+ 12
= 3b + 12
The final answer is 3b+12.
Hope this helps~