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telo118 [61]
3 years ago
12

What are the zeros of the polynomial function?

Mathematics
1 answer:
Serga [27]3 years ago
4 0
First compute the discriminant delta:
9^2-4*1*20=1. 
Using the quadratic formula, we get the solutions:
\frac{-9-1}{2} =-5\\ \frac{-9+1}{2}=-4
the solutions are then -4 and -5. 
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