simplify the expression: 7z^{2}+9z^{2}
simplify the expression: 7z^{2}+9z^{2}
Answer
Explanation:
Step1: Identify like - terms
The terms $7z^{2}$ and $9z^{2}$ are like - terms since they have the same variable part ($z^{2}$).
Step2: Combine coefficients
Add the coefficients 7 and 9. $7 + 9=16$.
Answer:
$16z^{2}$