Factor and solve 1x^2 - 9x + 20 = 0

Asked by AnneS2 12 years ago 7/26/2013 6:46 AM

Last updated by anonymous 12 years ago 7/27/2013 11:04 AM

Answered by CherieS 12 years ago 7/27/2013 11:04 AM

1x^2 - 9x + 20 = 0

(x )(x ) ( -5)( -4)=0

(x-5) (x-4) = 0

Solve:

(x-5) =0

x-5+5 =0+5

x=5

Solve:

(x-4) = 0

x-4+4 = 0+4

x=4