SOLUTION: x^2-2x-3>0 pls help e to solve this quadratic inequalities.

Question 890393: x^2-2x-3>0
pls help e to solve this quadratic inequalities.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
You still look for the roots but you now also decide which interval or intervals makes the inequality true.

The zeros or roots would be the critical points, making three intervals:
(-infinity, -1), (-1, 3), (-3, infinity).
Pick any value in each interval and test if satisfies the inequality.

You should find that the solutions are or .
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