cniihuajones cniihuajones
  • 18-12-2017
  • Mathematics
contestada

Will the solutions to the equation 12x^2-5x-2=0 be positive or negative and how would you know without solving the equation completely?

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snoopybri
snoopybri snoopybri
  • 18-12-2017
Hey there! Let's look at this equation differently!  


ax^2-bx-c=0

we know that the factored form will have different signs like this

(dx-f)(ex+g)
ex+g=0
ex=-g

therefor there is a positive and negative answer (2 roots total)

I hope this helps! 
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