Question
For Exercises $45-54,$ subtract the polynomials.$$\begin{array}{c}9 m^{4}-2 m^{2}+6 m+8 \\-\left(-4 m^{4}-5 m^{3} \quad-10 m\right. \\\hline\end{array}$$
Step 1
This will change the sign of each term. So, $-(-4m^{4}-5m^{3}-10m)$ becomes $4m^{4}+5m^{3}+10m$. Show more…
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Key Concepts
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