Factor 4z^2 +2+2z=11+6z^2

Asked by AnneS2 12 years ago 7/20/2013 5:45 AM

Last updated by anonymous 12 years ago 7/21/2013 11:21 AM

Answered by CherieS 12 years ago 7/21/2013 11:21 AM

4z^2 +2+2z=11+6z^2

4z^2 +2+2z-4z^2=11+6z^2-4z^2 2+2z=11+2z^2 2+2z-2z=11+2z^2-2z 2=11+2z^2-2z 2-2=11-2+2z^2-2z 0=9+2z^2-2z 2z^2-2z+9=0 2 (z-1) z+9 = 0