Question
Answer
$$12y^3-4+3a^2b^2-17-17b^2a^2=-14a^2b^2+12y^3-21$$
Explanation
| $$ \begin{aligned}12y^3-4+3a^2b^2-17-17b^2a^2& \xlongequal{ }12y^3-4+3a^2b^2-17-17a^2b^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-14a^2b^2+12y^3-21\end{aligned} $$ | |
| ① | Combine like terms: $$ 12y^3 \color{blue}{-4} + \color{red}{3a^2b^2} \color{blue}{-17} \color{red}{-17a^2b^2} = \color{red}{-14a^2b^2} +12y^3 \color{blue}{-21} $$ |
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