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10-08-2016
Mathematics

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solve x2 6x -6 = 10 for x

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apologiabiology apologiabiology

15-08-2016

x^2+6x-6=10
minus 10 from both sides
x^2+6x-16=0
factor
what 2 numbers mulitply to get -16 and add to get 6?
8 and -2

(x+8)(x-2)=0

set each to zero

x+8=0
x=-8

x-2=0
x=2

x=2 and/or -8

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