SOLUTION: Find the range of values of x for which 2x²+7x-15>0

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Question 964898: Find the range of values of x for which 2x²+7x-15>0
Found 2 solutions by josgarithmetic, lwsshak3:
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Roots for x are %28-7-13%29%2F4 and %28-7%2B13%29%2F4;
or, -5 and 3/2.

The quadratic function related to the inequality is a parabola with a minimum below the x-axis. The set of x values satisfying the inequality is x%3C-5 or x%3E3%2F2.

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find the range of values of x for which
2x²+7x-15>0
(2x-3)(x+5)>0
number line:
<...+....-5....-...3/2...+.....>
solution:
(-∞, -5) U (3/2, ∞)