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The values of x such that 2x^2 - 6x + 7 = 0 are m+ni and m-ni, where m and n are positive. What is m*n?

 Oct 16, 2020
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Use quadratic formula

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)            a = 2     b = -6     c = 7       to find the   m +- ni    solutions, then find  m*n 

 
 Oct 16, 2020

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