Simplify. b (−3)∙(2a+b)−4(b−a) plz and

-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

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.