SOLUTION: How many roots do the following equations have? -12x2

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

Question 669010: How many roots do the following equations have?
-12x2 - 25x + 5 + x3 = 0
A. 2
B. 3
C. 4
D. 5
Found 2 solutions by jim_thompson5910, lynnlo:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
If you're considering complex roots, then it has 3 complex roots according to the Fundamental Theorem of Algebra (notice how the degree of this polynomial is 3).

And it turns out that graphing it gives us this

and we see 3 x-intercepts (which means that there are 3 roots)
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
B
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