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OpenStudy (anonymous):
What is the solution set of the inequality x^2 + 4x - 5 < 0
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OpenStudy (anonymous):
Please explain
OpenStudy (mertsj):
You could graph it and see for what values of x it is below the x axis.
OpenStudy (nenadmatematika):
well the first step is to find two solutions of this quadratic (for now I'll say equation). Do you know how to do that, do you know the formula?
OpenStudy (mertsj):
Or you could factor and make a sign graph.
OpenStudy (anonymous):
factored it is (x-1)(x+5)<0
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OpenStudy (mertsj):
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