Factor and solve 1x^2 - 4x - 45 = 0

Asked by AnneS2 12 years ago 8/7/2013 7:19 AM

Last updated by anonymous 12 years ago 8/8/2013 2:47 PM

Answered by CherieS 12 years ago 8/8/2013 2:47 PM

1x^2 - 4x - 45 = 0

(x )(x ) ( -9)( +5)=0

(x-9) (x+5) = 0

Solve:

(x-9)=0

x-9+9=0+9

x=9

Solve:

(x+5) = 0

x+5-5 = 0-5

x=-5