Question

if a positive number is subtracted from 1/4th of its square The result is 48. Find the number

Answer 1

Answer: 16 or -12

Step-by-step explanation:

(1/4x^2)-x=48

(1/4x^2)-x-48=0

(use quadratic formula to solve)

gives x=16 or x=-12

Answer 2

Answer:

Step-by-step explanation:

Let the number be x.

x^2/4 - x=48

[x/2]^2=48-x

x=2√[48-x]