Question

Use square root property to solve the equation:
x^2=20 i got sqrt2? is this right?

Answer 1

\[x^2=20\]
\[x=\pm\sqrt{20}\]
\[x=\pm\sqrt{4\cdot5}\]
\[x=\pm2\sqrt{5}\]

Answer 2

awesome! XD i got that the first time then i thought it looked dumb and left out the five, thanks!!! :)

Answer 3

if it's not perfect square like 2*2=4 3*3=9 it will look dumb :D

Answer 4

^^ haha yeah