Respuesta :
Answer:
-6ab-3b^2-4b+4a
Step-by-step explanation:
Split the problem in half: b (−3)∙(2a+b) −4(b−a)
Solve the first half:
b(-3) = -3b
-3b x -2a = -6ab
-3b x b = -3b^2
First Half: -6a-3b
Solve the second half:
-4 x b = -4b
-4 x -a = 4a
Second Half: -4b+4a
Put it all back together: -6ab-3b^2-4b+4a
