Problem

6. Add or subtract the monomials \[ -b^{9}+15 b^{9} \]

Solution

Step 1 ：\(-b^{9}+15b^{9}\)

Step 2 ：\(15b^{9}-b^{9}\)

Step 3 ：\(14b^{9}\)

From Solvely APP
Source: https://solvelyapp.com/problems/21056/

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