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23-05-2017
Mathematics

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X^2+8x+15=0 solve by fracturing

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23-05-2017

what 2 numbers multiply to get 15 and add to get 8?
3 and 5
(x+3)(x+5)=0
set equal to zero
x+3=0
x=-3

x+5=0
x=-5

x=-5 and -3

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