Math

1x^2 - 1x - 72 = 0 Factor and solve

Asked by AnneS2 on 16 Aug 05:36

Last updated by anonymous on 17 Aug 13:03

1 Answers

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Answered by CherieS on 17 Aug 13:03

1x^2 - 1x - 72 = 0

(x )(x ) ( -9)( +8)=0

(x-9) (x+8) = 0

Solve:

(x-9)=0

x-9+9=0+9

x=9

Solve:

(x+8) = 0

x+8-8 = 0-8

x=-8