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Without Actually Solving Each Equation, Determine Which One of the Following

Question 105

Essay

Without actually solving each equation, determine which one of the following has 0 in its solution set. Explain your answer.
r3+5r2=−9r4m2−64=0n2−9n+9=0−3s−8s+5=0\begin{aligned}& r^{3}+5 r^{2}=-9 r \\& 4 m^{2}-64=0 \\& n^{2}-9 n+9=0 \\& -3 s-8 s+5=0\end{aligned}

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