Math

Factor and solve -1x^2 + 0x + 9 = 0

Asked by AnneS2 on 26 Jul 06:32

Last updated by anonymous on 28 Jul 13:04

1 Answers

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Answered by CherieS on 28 Jul 13:04

-1x^2 + 0x + 9 = 0

-1(x^2-9)=0

-1(x )(x ) ( -3)( +3)=0

-1(x-3) (x+3) = 0

Solve:

-1(x-3)=0

-1(x) (-1)(-3)=0

-1x+3=0

-1x+3-3=0-3

-1x=-3

-1x/-1=-3/-1

x=3

Solve:

-1(x+3) = 0

-1(x) (-1)(+3) = 0

-1x-3=0

-1x-3+3=0+3

-1x=3

-1x/-1=3/-1

x=-3