Math
Factor and check x^2 - 15x + 56 = 0
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Asked by
AnneS2
Last updated by
anonymous
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)=0
x^2 -7x -8x +56=0
x^2 - 15x + 56 = 0