SOLUTION: Solve (x +1)(x -4) < 0 and express the solution set in set notation

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Question 476457: Solve (x +1)(x -4) < 0 and express the solution set in set notation
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Solve (x +1)(x -4) < 0 and express the solution set in set notation
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number line:
<....+.......-1....-.....4.....+.....>
solution
Interval notation: (-1, 4)
set notation: {x| -1 < x < 4}