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

Nov 13, 2016

2

Explanation:

${x}^{2} - 6 = 0$

${x}^{2} = 6$

$x = \sqrt{6}$ or $x = - \sqrt{6}$

This is because $\left(- \sqrt{6}\right) \times \left(- \sqrt{6}\right)$ is also $6$ because two negatives multiplied together make a positive.