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Answer to Question #3954 in Linear Algebra for Diana Tucker

Question #3954
6x^2 + 3x - 18 = 0
Expert's answer
6x2 + 3x - 18 = 0
D = 9 + 4*9*18 = 441 = 212
x1 = (-3 +21)/(2*6) = 18/ 12 = 3/2
x2 = (-3 - 21)/(2*6) = -24/12 = 2

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