Factor and solve: x^2 + 13x + 42 = 0

Asked by AnneS2 12 years ago 8/12/2013 6:20 AM

Last updated by anonymous 12 years ago 8/13/2013 6:24 PM

Answered by CherieS 12 years ago 8/13/2013 6:24 PM

x^2 + 13x + 42 = 0

(x )(x ) ( +6)( +7)=0

(x+6) (x+7) = 0

Solve:

(x+6)=0

x+6-6=0-6

x=-6

Solve:

(x+7) = 0

x+7-7 = 0-7

x=-7