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| Math Central | Quandaries & Queries |
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Question from Giselle, a student: 3x squared minus 2x equals -5 |
Giselle,
Adding 5 to each side of the equation gives
3x2 - 2x + 5 = 0.
This quadratic does not factor so you are left with using the general quadratic or completing the square. Each of these show that there is no real solution.
Penny
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