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23-11-2016
Mathematics

contestada

solve the quadratic equation x2 – 14x + 40 = 0

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apologiabiology apologiabiology

29-11-2016

what 2 numbers multiply to get 40 and add to get -14
-10 and -4

(x-4)(x-10)=0
set to zero

x-4=0
x=4

x-10=0
x=10

x=4 and 10

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