SOLUTION: if the roots of the equation 12x^2+mx+5 =0 are real and different then m=?

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Question 918205: if the roots of the equation 12x^2+mx+5 =0 are real and different then m=?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the discriminant,
D=b%5E2-4ac%3E0
m%5E2-4%2812%29%285%29%3E0
m%5E2%3E240
So then,
m%3E4sqrt%2815%29 and m%3C-4sqrt%2815%29