When 4 is subtracted from the square of a number, the result is 3 times the number. Find the positive solution.
Let the number be n. We have:
n^2 - 4 = 3n
Subtract 3n from each side:
n^2 - 3n - 4 = 0
Typing this quadratic equation into the search engine, we get:
n = (-1, 4)
The problem asks for the positive solution, so we get n = 4.
Let the number be n. We have:
n^2 - 4 = 3n
Subtract 3n from each side:
n^2 - 3n - 4 = 0
Typing this quadratic equation into the search engine, we get:
n = (-1, 4)
The problem asks for the positive solution, so we get n = 4.