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So your question is...?

my ques is why a<0.under what coditions?

sorry,under what conditions?

this is a question of theory of equations.

no I don't know about the solutions but I know that this is a thoughtful question.

this is only verify and prove question.

I don't understand the question. You want us to solve for x? Is that what your asking?

http://www.sosmath.com/algebra/factor/fac11/fac11.html

what is this?

one more thing about this quetion

all the roots of this cubic equations are real

Oh ok now the question makes more sense. lol/

Omg I'm sorry. My page got killed when I was typing all of that. :(

np!

ok np. :(

i'm still thinking
:(

@KingGeorge any thoughts?

What do you think about taking the contrapositive?

thanx!

You're welcome.

yes thanks george :)

you both are good helper.

george is bester!

Thank you guys :)