Factor and solve z^2 -24z+140=0

Asked by AnneS2 12 years ago 7/22/2013 5:02 AM

Last updated by anonymous 12 years ago 7/24/2013 11:20 AM

Answered by CherieS 12 years ago 7/24/2013 11:20 AM

z^2 -24z+140=0

(z )(z ) ( -14)( -10)=0

(z-14) (z-10) = 0

Solve:

(z-14)=0

z-14+14=0+14

z=14

Solve:

(z-10) = 0

z-10+10 = 0+10

z=10