Question

Please just help me check my answer! Is this prime: 5m^2+9m+10. I can't solve it so I think its prime, but I want to make sure.

Answer 1

Use the quadratic formula to solve for m

Answer 2

That is, if it is equal to 0

Answer 3

It just told me to 'factor completely)

Answer 4

Yes, it can't be factored

Answer 5

I dont think its factorable

Answer 6

so prime then?

Answer 7

yes

Answer 8

Awesome, can you help me check another problem? Its 2m^3+5mn-2m^2-5n I got (m-1)(2m^2+5n)

Answer 9

Just reexpand it and see if you get the original equation back

Answer 10

ok, be right back

Answer 11

Yes, i did. Thank you.