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# Find the positive number n, such that thrice its square is equal to twelve times...

### Question

Find the positive number n, such that thrice its square is equal to twelve times the number

A) 1

B) 2

C) 3

D) 4

3n2 = 12n
= 3n2 - 12n = 0
= 3n(n - 4) = 0
∴ n = 4

## Dicussion (1)

• 3n2 = 12n
= 3n2 - 12n = 0
= 3n(n - 4) = 0
∴ n = 4