snoopeatinsoup snoopeatinsoup

21-08-2021
Mathematics

contestada

The cube of a whole number is 48 more
than the square of the same number.
What is the number?

Respuesta :

jcherry99 jcherry99

26-08-2021

Answer:

x = 4

Step-by-step explanation:

Let the number = x

x^3 = x^2 + 48

x^3 - x^2 - 48 = 0

The answer is 4, but I have no method of doing this rigorously. I can just show that it is true.

x^3 = 4^3 = 64

x^2 = 4^2 = 16

64 - 48 = 16

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