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Maths Puzzle
Algebra
3x^2 - 9x + 5 < 0
It has been years since I have had an algebra class. I cannot remember how to solve this problem. Thank You!
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- 3x^2 - 9x + 5 = 0
=> x = [9 +- √21]/6
so, 3x^2 - 9x + 5 < 0
=> (9 - √21)/6 < x < (9 + √21)/6
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