mennamohammed567 mennamohammed567

18-04-2021
Mathematics

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Which of the following points is the solution of the quadratic equation:3x^2-5x-2=0

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yusahia yusahia

18-04-2021

Answer:

x1 = 2

x2 = -1/3

Step-by-step explanation:

3x^2-5x-2=0

D=25-4*(-2)*3 = 25 + 24 = 49 --> sqrt 49 = 7

x1 = 5 + 7 / 2*3 = 2

x2 = 5 - 7 / 2*3 = -1/3

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