SOLUTION: Find and graph the solution of: x^4 (less than or equal to) 10x^2-9. I dont even know what steps to take to begin solving this problem. thank you.

Question 932930: Find and graph the solution of: x^4 (less than or equal to) 10x^2-9.
I dont even know what steps to take to begin solving this problem. thank you.
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!

, from additive inverse application. You know what the basic shape will be, so just find the roots. You should check first for factorability.

And you can do more;
.

The ~~solution, and~~ roots, are -3, -1, 1, 3. That is "OR". You'll need to check the intervals carefully to know just how the graph goes around the -1 and the 1. Use arithmetic to check this as a help in making the graph.....

This is a graph of the polynomial function, NOT the actual inequality:

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