Math

-1x^2 - 1x + 2 = 0 Solve for x

Asked by AnneS2 on 10 May 05:12

Last updated by anonymous on 12 May 11:30

1 Answers

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Answered by CherieS on 12 May 11:30

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

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

-1(x )(x ) ( -1)( +2)

-1(x-1)(x+2)=0

Solve:

-1(x-1)=0

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

-1x+1=0

-1x+1-1=0-1

-1x=-1

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

x=1

Solve:

-1(x+2)=0

(-1)(x) (-1)(2)=0

-1x-2=0

-1x-2+2=0+2

-1x=2

-1x/-1=2/-1

x=-2