x^2 + 15x + 36 = 0 Factor and solve

Asked by AnneS2 12 years ago 10/20/2013 7:51 AM

Last updated by anonymous 12 years ago 10/21/2013 11:13 AM

Answered by CherieS 12 years ago 10/21/2013 11:13 AM

x^2 + 15x + 36 = 0

(x )(x ) ( +3)( +12)=0

(x+3) (x+12) = 0

Solve:

(x+3)=0

x+3-3=0-3

x=-3

Solve:

(x+12) = 0

x+12-12 = 0-12

x=-12