sunshine329102
sunshine329102
23-05-2017
Mathematics
contestada
X^2+8x+15=0 solve by fracturing
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apologiabiology
apologiabiology
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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