What is the solution set of the quadratic inequality x^2+x-2>0?
2 answers:
Answer is A.
The values of x must be greater than or equal to 1 and the value of x must be less than or equal to -2.
x >= 1.....x <= -2
Please see attachment!
Answer: The solution set is 
Step-by-step explanation: We are given to find the solution set of the following quadratic inequality:

The solution is as follows:

We know that if 'a' and 'b' are two numbers such that a × b > 0, then either both 'a' and 'b' are greater than 0 or both of them are less than 0.
Therefore, we have
either

or

Thus, the required solution set is x < -2 and x > 1. We can also write the solution set in terms of intervals as 
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