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

Question

2615 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 $x^{2} = 4$ $x^2=4$ , then take the square root of both sides to get $x = \pm \sqrt{4} = \pm 2$ $x=+-sqrt(4)=+-2$ .

How do you find the solution to the quadratic equation x2−4=0x^2-4=0?