3x²-5x-18=0
D= b²-4*a*b = 25 + 4*3*18 = 25+216 = 241
√D = √241
x1,2 = (5±√241)/6
x1*x2 = (5+√241)/6 * (5-√241)/6 = (25-241)/36 = -216/36 = -6
Ответ: -6
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3x²-5x-18=0
D= b²-4*a*b = 25 + 4*3*18 = 25+216 = 241
√D = √241
x1,2 = (5±√241)/6
x1*x2 = (5+√241)/6 * (5-√241)/6 = (25-241)/36 = -216/36 = -6
Ответ: -6