Factor and solve: x^2 + 13x + 40 = 0

Asked by AnneS2 12 years ago 8/12/2013 6:29 AM

Last updated by anonymous 12 years ago 8/13/2013 2:56 PM

Answered by CherieS 12 years ago 8/13/2013 2:56 PM

x^2 + 13x + 40 = 0

(x )(x ) ( +5)( +8)=0

(x+5) (x+8) = 0

Solve:

(x+5)=0

x+5-5=0-5

x=-5

Solve:

(x+8) = 0

x+8-8 = 0-8

x=-8