Question
Answer
$$15+5m-30m^{0.5}=5m-15$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}15+5m-30m^{0.5}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}15+5m-30\cdot1 \xlongequal{ } \\[1 em] & \xlongequal{ }15+5m-30 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}5m-15\end{aligned} $$ | |
| ① | A non-zero polynomial raised to the power of 0 equals 1. |
| ② | Combine like terms: $$ \color{blue}{15} +5m \color{blue}{-30} = 5m \color{blue}{-15} $$ |
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