Factor and solve 5z^2 +6z+1=0

Asked by AnneS2 12 years ago 8/20/2013 12:25 PM

Last updated by anonymous 12 years ago 8/21/2013 9:13 PM

Answered by CherieS 12 years ago 8/21/2013 9:13 PM

5z^2 +6z+1=0

(z )(5z ) ( +1)( +1)=0

(z+1) (5 z+1) = 0

Solve:

(z+1) =0

z+1-1 =0-1

z=-1

Solve:

(5 z+1) = 0

5 z+1-1 = 0-1

5z=-1

5z/5=-1/5

z=-1/5