5x^2 =10 solve using radicals,rstionalize all denominators express complex numbers in terms of i or use a comma to separate answers if needed

Question

anonymous · Answer

divide both sides by 5
x^2 = 2
now take square roots of both sides

anonymous · Answer

is that ok?

anonymous · Answer

im just not sure how to do this one it leaves the answer open to too many possibilities

anonymous · Answer

well the square root of x^2 is , by definition, x
and there are 2 sq roots of 2:

anonymous · Answer

$$\sqrt{2}  ,   -\sqrt{2}$$

anonymous · Answer

there are no complex numbers in this result - just two radicals

anonymous · Answer

i see makes sense

anonymous · Answer

if this were a grapg what would the x intercepts be