Respuesta :

22nlin

Answer:

x=3, x=[tex]-\frac{5}{2}[/tex]

Step-by-step explanation:

2x^2-x-15=0

2 times -15 equals -30, so plug in 5x and -6x for -x

2x^2-6x+5x-15  factor,

2x(x-3)    5(x-3)

x-3=0      2x-5=0

x=3    x= -5/2

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