Thread: I need help factoring a Rational Expression Involving Polynomials

I'm having problems factoring an expression on my study guide, and require some assistance

2x^2-10

once I've got that I think I will be all good (:

And please show your work a little bit, don't just post the answer, I would like to learn as to how you found the answer.

Thank you !

Uhm, it's not much to do.