Show that for any a, b,c integers (a-b-c)^2-(a+b+c)^2+(a+b-c)^2-(a-b+ c)^2 is divisible by 4a

b.-4 units

all you   do is count how many times you move

47.28 or 47.2857143

step-by-step explanation:

you just divide 331 by 7 and you get that answer. ( i think so tho)

you have to wait a while to reward brainliest if only one person answers. if 2 people answer there should be a "mark brainliest" on their question.

i cant fully remember all of the ranks, here are the ones i remember.

hand, ambitous, ace, genius.