math
posted by Dan .
Consider the polynomial x^3 + 6x^2 + 3x  10. Without dividing, or graphing, which two of (x+2), (x2), (x+1), and (x1) must be factors of the polynomial? Why/how do you know?

math 
Damon
I will need a 5 and a 2 to make 10
I need 2+51 to make 6 x^2
that leaves a (x+2)(x+5)(x1)
so I think
(x+2) and (x1)
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