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18-01-2018
Mathematics

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which number is a solution of the inequality x(7-x)>8

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18-01-2018

x(7 - x) > 8

First solve x(7 - x) = 8

x^2 - 7x + 8 = 0

x = 5.56, 1.44

If we plug in these values into the original equation weel see that solution is

1.44 < x < 5.56

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