By solving a quadratic equation we will see that the number can be:
8 or -5.
<h3>How to find the number?</h3>The product of a number N, and 3 less than the number, is equal to 40.
This is written as:
Now we need to solve this for N.
Then we need to solve this quadratic equation:
Then we have two solutions:
- N = (3 - 13)/2 = -5
- N = (3 + 13)/2 = 8
These are the two possible solutions.
If you want to learn more about quadratic equations:
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