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Algebra 18 Online
OpenStudy (anonymous):

How many roots do the following equations have? -12x2 - 25x + 5 + x3 = 0 A. 4 B. 2 C. 3 D. 5

OpenStudy (cwrw238):

it has degree 3 so the number of roots are 3

OpenStudy (anonymous):

\(-12^2and -25x\) this two makes two roots

OpenStudy (anonymous):

Thank you @cwrw238

OpenStudy (anonymous):

let see how

OpenStudy (anonymous):

\(square~~root ~of ~12~and~5x\) are under root 12 and 5x

OpenStudy (cwrw238):

@That_Pro_Angler x3 = x^3 ( x cubed ) right?

OpenStudy (anonymous):

So the answer is two?

OpenStudy (anonymous):

right @cwrw238

OpenStudy (cwrw238):

so in that case its a cubic equation which has 3 roots. this is the fundamental theorem of algebra

OpenStudy (anonymous):

oooh i didn't see \(x^3\) bcause its looks like 3x that's why now i can say there are 3 roots @That_Pro_Angler

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