Math

Factor and solve: x^2 + 9x + 20 = 0

Asked by AnneS2 on 12 Aug 06:30

Last updated by anonymous on 13 Aug 14:52

1 Answers

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Answered by CherieS on 13 Aug 14:52

x^2 + 9x + 20 = 0

(x )(x ) ( +4)( +5)=0

(x+4) (x+5) = 0

Solve:

(x+4)=0

x+4-4=0-4

x=-4

Solve:

(x+5) = 0

x+5-5 = 0-5

x=-5