Question

How many solutions does `x^2-6=0` have?

Answer 1

2

Explanation:

`x^2 - 6 = 0`

`x^2 = 6`

`x = sqrt(6)` or `x = -sqrt(6)`

This is because `(-sqrt(6)) xx (-sqrt(6))` is also `6` because two negatives multiplied together make a positive.