Answer:
24.6
Step-by-step explanation:
you multiply them all by two then add them together. :P
Answer: -7, 12
Step-by-step explanation:
a+b = 5
a*b = -84
a = 5-b
(5-b)*b = -84
-b^2 + 5b + 84 = 0
(-b - 7)(b + 12) = 0
The roots are -7 and 12.
I'm not sure what â€" stands for
Answer:

OR
x=\frac{3}{4} ±i\frac{\sqrt{39}}{4}\\
Step-by-step explanation:
Nooo im pretty sure it cannot
The two numbers would be 36 and 12
36 + 12 = 48
36 - 12 = 48