Question

The cube of a number is the same as twice the square of the number. Find the number.

Answer 1

Translate

x^3 = 2x^2

Subtract 2x^2 from both sides

x^3 - 2x^2 = 0

Factor

x^2(x - 2) = 0

We have two solutions

0 and 2

Answer 2

i have noticed u have posted types of questions tht can be solved the same way. y dont u try one for urself?

Answer 3

the number is 2
let x be the number
x^3=2x^2
(2)^3=2(2)^2
8=8