Math

Factor and solve 1x^2 - 18x + 81 = 0

Asked by AnneS2 12 years ago 7/26/2013 6:40 AM

Last updated by anonymous 12 years ago 7/27/2013 12:02 PM

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Answered by CherieS 12 years ago 7/27/2013 12:02 PM

1x^2 - 18x + 81 = 0

(x )(x ) ( -9)( -9)=0

(x-9)(x-9)=0

(x-9)^2 = 0

Solve:

(x-9)=0

x-9+9=0+9

x=9