X*y=2(x+y)
This is an equation representing your word problem. X and Y are the two base numbers, assuming they are different.
B Is the first one and I think 10 is A
Answer:
first blank negitave
second blank positive
Step-by-step explanation:
Because you have to go in the order of PEMDAS, parenthesis, exponents, multiplication, division, addition, and subtraction. From what you are saying, 'why you must simplify 3 to the second power first' it seems that you have no parenthesis, so you move onto what is next, which is exponents, in this case, 3 to the power of two.