sylviaannstewar sylviaannstewar

12-01-2018
Mathematics

contestada

completing the square
[tex]5 {x}^{2} - 65x + 200 = 0[/tex]

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choixongdong choixongdong

12-01-2018

5x^2 - 65x + 200 = 0
5(x^2 - 13x + 40) = 0
5(x - 8)(x - 5) = 0
x - 8 = 0; x = 8
x - 5 = 0; x = 5

answer
x = 5 , x = 8

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