When 12 is subtracted from the square of a number, the result is 4 times the number. Find the positive solution.

Question

asked Sep 2, 2020 109k views

2 Answers

Aboobakkar P S · Answer 1 · 2020-09-08T13:18:45+0000

Answer:

The number is 4 .

Explanation:

Given:

When 12 is subtracted from the square of a number, the result is 4 times the number.

Now, to find the solution:

Let the number be
.

So, according to question when 12 is subtracted from the square of a number, the result is 4 times the number:

x^2-12=4

Adding both sides by 12 we get:

x^2=16

Using square root on both sides we get:

x=4

Therefore, the number is 4.