How do you solve X squared minus four for x equals 3?

Answer 1

Your Problem: X - 4 = ?

Current Problem: 3 [squared] - 4 = ?

How: When a numbered is squared, it means you multiply it against itself. So, 3 squared equals 3x3.

3x3 = 9

So, you would then take 9 and minus it by 4, which would than equal 5.

Answer:

3 [squared] - 4 = 5

or

9 - 4 = 5