Math

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

Asked by AnneS2 12 years ago 8/7/2013 7:24 AM

Last updated by anonymous 12 years ago 8/8/2013 2:18 PM

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Answered by CherieS 12 years ago 8/8/2013 2:18 PM

-1x^2 - 4x + 45 = 0

-1(x^2+4x-45)=0

-1(x )(x ) ( -5)( +9)=0

-1(x-5) (x+9) = 0

Solve:

-1(x-5)=0

-1(x) (-1)(-5)=0

-1x+5=0

-1x+5-5=0-5

-1x=-5

-1x/-1=-5/-1

x=5

-1x+5-5=0-5

-1x=-5

-1x/-1=-5/-1

x=5

Solve:

-1(x+9) = 0