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Solve the Ineqality
$$x^2 + 2x -8 \le 0$$I know enough to factor it like this
$$(x-4) (x+2) \le 0$$
So I get 4 and -2. I just don't know how to get to the answer from here which is:
$$x \ge -4\cup x\le 2$$
unless I'm misreading the answer incorrectly.
Thanks
$$x^2 + 2x -8 \le 0$$I know enough to factor it like this
$$(x-4) (x+2) \le 0$$
So I get 4 and -2. I just don't know how to get to the answer from here which is:
$$x \ge -4\cup x\le 2$$
unless I'm misreading the answer incorrectly.
Thanks