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Help! Algebra!?
Science & Mathematics by Anonymous 2018-06-01 11:03:24
Social Science
Help! Algebra!?
1 answer
If -1/3 is one root of 3x^3+7x^2-4x-2=0, find all the other roots.
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Anonymous
3x^3 + 7x^2 - 4x - 2 = 0 (3 x + 1) (x^2 + 2 x - 2) = 0 Solutions: x = -1/3 x = -1 - sqrt(3) x = sqrt(3) - 1