SOLUTION: How do you solve for this inequality algebraically. (x+1)(x-2)(2^x)

SOLUTION: How do you solve for this inequality algebraically. (x+1)(x-2)(2^x) > 0

Question 366837: How do you solve for this inequality algebraically.
(x+1)(x-2)(2^x) > 0
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
.
The factor for all real values of x, and so we can just eliminate it from the inequality by dividing both sides by it. Hence we're actually solving
. The critical numbers are -1 and 2. Choosing test numbers x = -2, 0 and 3, we find out that the solution set is (, -1)U(2, ).
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