A number multiplied by 12 is equal to the sum of the square of that same number and 36. What is that number?
3 answers
I really need help with this.
12 n = n^2 + 36
0 = n^2 - 12 n + 36 = (n - 6)^2
n - 6 = 0
0 = n^2 - 12 n + 36 = (n - 6)^2
n - 6 = 0
Wait, so, 0 is the answer? That makes no sense.
1 answer