Answer
$$2x\cdot2x+14x+10x+x^2=5x^2+24x$$
Explanation
| $$ \begin{aligned}2x\cdot2x+14x+10x+x^2& \xlongequal{ }4x^2+14x+10x+x^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}5x^2+24x\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{4x^2} + \color{red}{14x} + \color{red}{10x} + \color{blue}{x^2} = \color{blue}{5x^2} + \color{red}{24x} $$ |
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