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OpenStudy (anonymous):
Please HELP!!!! Need to show ALL work. If x=-5 is a root x^3+8x^2+16x+5, find the remaining roots.
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OpenStudy (anonymous):
Plug -5 into the problem where x is and solve: (-5)^3+8(-5)^2+16(-5)+5 =-125+200-80+5 =0
OpenStudy (mathmale):
Know synthetic division? If so, that's a great tool for tackling this problem. Your job is to determine the remaining roots of the given polynomial.
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