Answer: 46
Step-by-step explanation:
Let's represent our number as x.
x is being added to 6 * x², and it equals 12

Factor:

Solve for x:

Therefore,
x = -3/2 and 4/3.
Answer:
V = 2304π units³
Step-by-step explanation:
The volume (V) of a sphere is calculated as
V =
πr³ ( where r is the radius ) , then
V =
π × 12³
=
π × 1728
= 4π × 576
= 2304π units³