Math

Factor and check x^2 - 15x + 56 = 0

Asked by AnneS2 on 04 Aug 08:04

Last updated by anonymous on 05 Aug 14:24

1 Answers

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Answered by CherieS on 05 Aug 14:24

x^2 - 15x + 56 = 0

(x )(x ) ( -8)( -7)=0

(x-8) (x-7) = 0

Check:

(x-8) (x-7) = 0

(x)(x) (x)(-7) (-8)(x) (-8)(-7)

x^2 -7x -8x +56

x^2 -15x +56=0