Factor Completely.

14x^2 + 63

Question

Factor Completely.

14x^2 + 63

tkhunny · Answer

Do you see the suspicious common factor of 7 in there?  That would be a good place to start.

anonymous · Answer

7(2x^2+9) But i needa factor it completely.

tkhunny · Answer

You just did.  Do we have to use Real Numbers?

anonymous · Answer

well 2x^2 is not complete.

anonymous · Answer

set it equals to zero then solve 2x^2+9=0

tkhunny · Answer

Yes it is, if we are stuck with Real Numbers.  Why are you thinking about 2x^2 by itself.  Your task is to factor 2x^2 + 9 or otherwise solve 2x^2 + 9 = 0.  It CANNOT be done in the Real Numbers.  You can try...

anonymous · Answer

@tkhunny  is right when. once you set it equals to zero  you will get an imagery number.  that was the reason i told you to set it to zero so that you can it for yourself lol