Question 625268
Solve the following inequalities for x and express the solutions as an interval.
a)  x^2-x>=2
x^2-x-2≥0
(x-2)(x+1)≥0
number line:
<....+...-1...-.....2....+.....>
solution:
(-&#8734;,-1) U (2,&#8734;)
..
b) (x+3)/(x-4)&#8804;0
number line:
<....+...-3...-.....4....+.....>
solution:
[-3,4]