How do you find the solution to the quadratic equation #x^2-4=0#?

Question

2433 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-05-10T19:34:41

Add 4 to both sides to get #x^2=4#, then take the square root of both sides to get #x=+-sqrt(4)=+-2#.