Question

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

Answer 1

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