chokiloko10 chokiloko10

27-11-2016
Mathematics

contestada

????????????????
x²-17x+30=0

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tibboyz123 tibboyz123

27-11-2016

x² - 17x + 30 = 0
x² - 15x - 2x + 30 = 0
x(x-15)-2(x-15)=0
(x-2)(x-15)=0
x=2, x=15

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