Math

x^2 + 6x - 55 = 0 solve by factoring

Asked by AnneS2 on 01 Apr 05:01

Last updated by anonymous on 03 Apr 20:19

1 Answers

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Answered by CherieS on 03 Apr 20:19

x^2 + 6x - 55 = 0

(x )(x ) ( -5)( +11)

(x-5)(x+11)=0

Check:

(x-5)(x+11)

(x)(x) (x)(+11) (-5)(x) (-5)(+11)

x^2 +11x -5x -55

x^2 +6x -55

Simplify:

(x-5)=0

Solve:

(x-5)=0

x-5+5=0+5

x=5

Simplify:

(x+11)=0

Solve:

(x+11)=0

x+11-11=0-11

x=-11