1. ## Solving inequalities

Hello! Here's my question:

Find the solution set of the following inequality:
-(e^x) < 7 - 3(x^2) < (e^x)

Is it possible to add (e^x) to the entire inequality? Afte which, do I sketch the graph to find the solution set?

Thank you for helping!

2. ## Here is how you do it

I'd say that the above is equal to $e^{x}-3x^2+7\geq{0}\bigcap{e^{x}+3x^2-7\geq{0}}$ and solve

3. Hello,

Well if you manage to solve this, congrats ^^

Is it possible to add (e^x) to the entire inequality?
Yes you can, i don't know if it'll help, but you can