Every difference of squares problem can be factored as follows: a2 – b2 = (a + b)(a – b) or (a – b)(a + b). So, all you need to do to factor these types of problems is to determine what numbers squares will produce the desired results.
Answer: − 18 x= 72
Step-by-step explanation:
A2= 1
a3=-3
a4=-7
the common difference is -4
Answer:
120
Step-by-step explanation:
10% = 12
50% = 60
100% = 120
294/6 = 49
Single buffet = $49
49*8 = 392
The total bill at the second table was $392