Respuesta :

Izzy1974

Answer:

Step-by-step explanation:

x^2+17x+72=12

x= -5 and -12

Keith is correct.

greekwolf020

Answer:

I think Keith solved it correctly.

Step-by-step explanation:

x= -12 and that was one of keiths answers so he's right.

-12+12= 0

5 and 12

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