Question
Answer
$$7x-4x^2-19+3x+14-2x^2=-6x^2+10x-5$$
Explanation
| $$ \begin{aligned}7x-4x^2-19+3x+14-2x^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}-6x^2+10x-5\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{7x} \color{red}{-4x^2} \color{green}{-19} + \color{blue}{3x} + \color{green}{14} \color{red}{-2x^2} = \color{red}{-6x^2} + \color{blue}{10x} \color{green}{-5} $$ |
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