SOLUTION: what are the roots of the equation 2x^2-5=0.

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Question 127178: what are the roots of the equation 2x^2-5=0.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
what are the roots of the equation 2x^2-5=0.
:
2x^2 - 5 = 0
:
2x^2 = +5; added 5 to both sides
:
x^2 = 5%2F2; divided both sides by 2
:
x = %2Bsqrt%285%2F2%29; find the square root of both sides
and
x = -sqrt%285%2F2%29