To expand the expression \( \frac{2}{5}(-5c + 10) \), you distribute \( \frac{2}{5} \) to each term inside the parentheses:
\[ \frac{2}{5}(-5c) + \frac{2}{5}(10) \]
Calculating each part:
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For the first term: \[ \frac{2}{5}(-5c) = -\frac{2 \cdot 5c}{5} = -2c \]
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For the second term: \[ \frac{2}{5}(10) = \frac{2 \cdot 10}{5} = \frac{20}{5} = 4 \]
Now, combine the two results:
\[ -2c + 4 \]
Thus, the expanded expression is:
\[ -2c + 4 \]