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15-05-2021
Mathematics

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2x^2-15=x
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Respuesta :

15-05-2021

2x^2-15=x
2x^2-x-15=0
(X-3)(2x-5)=0
x-3=0 or 2x-5=0
X=3 2x=5
x=5/2=2.5

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