Factor and check: -1x^2 + 14x - 49 = 0

Asked by AnneS2 on 29 Sep 05:16

Last updated by anonymous on 30 Sep 11:45

Answered by CherieS on 30 Sep 11:45

-1x^2 + 14x - 49 = 0

-1( x^2 - 14x + 49) = 0

-1 (x )(x ) ( -7)( -7)=0

-1(x-7)(x-7)=0

-(x-7)^2 = 0

Solve:

-1(x-7)=0

-1(x) (-1)(-7)=0

-1x+7=0

-1x+7-7=0-7

-1x=-7

-1x/-1=-7/-1

x=7