Question
Answer
$$4x^2-3+7x^5+2^3-5x^4=7x^5-5x^4+4x^2+5$$
Explanation
| $$ \begin{aligned}4x^2-3+7x^5+2^3-5x^4& \xlongequal{ }4x^2-3+7x^5+8-5x^4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}7x^5-5x^4+4x^2+5\end{aligned} $$ | |
| ① | Combine like terms: $$ 4x^2 \color{blue}{-3} +7x^5+ \color{blue}{8} -5x^4 = 7x^5-5x^4+4x^2+ \color{blue}{5} $$ |
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