elenanevinsp3ungx elenanevinsp3ungx

27-07-2019
Mathematics

contestada

please help

0=2x²+x-15

Respuesta :

debmommabear debmommabear

27-07-2019

Answer:

x=-5/2, x=3

Step-by-step explanation:2

2 * -15=-30

-6*5=-30

2x^2-6x+5x-15=0

2x(x-3)+5(x-3)=0

(2x+5)(x-3)=0

2x+5=0 x=-5/2

x-3=0 x=3

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