x^2 - 5x - 84 = 0

Asked by AnneS2 12 years ago 4/1/2013 5:10 AM

Last updated by anonymous 12 years ago 4/3/2013 12:27 AM

Answered by CherieS 12 years ago 4/3/2013 12:27 AM

x^2 - 5x - 84 = 0

(x )(x ) ( -12)(x +7)

(x-12)(x+7)

Check:

(x-12)(x+7)

(x)(x) (x)(+7) (-12)(x) (-12)(+7)

x^2 +7x -12x -84

x^2 -5x -84