Let x = your number.
6x = x^2 - 27. Subtract 6x from each side.
0 = x^2 - 6x - 27. Factor
0 = (x-9) (x+3). Set each term equal to zero
(x+3) = 0. Subtract 3 from each side.
x = -3. This is the negative solution.
(x-9) = 0. Add 9 to each side.
x = 9. This is the positive solution.
Answer:
8.550
Step-by-step explanation:
Hey there!☺



Add the fraction together.

Let's simplify 43/15.


Hope this helps!
Answer:
42
Step-by-step explanation:
(30+54)/2 = 42
30+54 = 84
84/2 = 42