Answer:
[tex]x=3\sqrt{3} ,-3\sqrt{3}[/tex]
Step-by-step explanation:
Solve by isolating the x:
[tex]x^2=27[/tex]
Take the square root of both sides:
[tex]x=\sqrt{27} ,-\sqrt{27}[/tex]
Simplify:
[tex]x=\sqrt{3*3*3} ,-\sqrt{3*3*3} \\x=3\sqrt{3} ,-3\sqrt{3}[/tex]
