268.50 unless you have to round more which it would be 267
Answer:
[24 -12 6]
7 3 0
Unless you also multiply the bottom, then it's:
[24 -12 6]
42 18 0
Step-by-step explanation:
6 * 4 = 24
6 * -2 = -12
6 * 1 = 6
----------------
6 * 7 = 42
6 * 3 = 18
6 * 0 = 0
The area of a square is A=s² (s being the side). Since you know this, you can write an equation.
A=(6a - 2b)²
Expanding this would give you,
A=(6a - 2b)(6a - 2b)
Then to solve this you would want to FOIL (Multiply first terms, multiply outer terms, multiply inner terms, multiply last terms)
36a² - 12ab - 12ab + 4b²
Then combine like terms,
36a² -24ab + 4b²
So the answer would be D
