Question

8 < x(7 - x)
2
8
-1
0

Answer 1

8 < 7x - x^2
8 < -x^2 +7x
(do the quadratic equation here)
See if this helps (:

Answer 2

sorry I showed you work but not the answers ._.", your x's would be 0 and 7 after the output of the quadratic
x=0
x=7
Since 7 isn't there it would be 0