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

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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