simplify 15(2/5+3u)

Solution

simplify

15 (\frac{2}{5} + 3 u)

45 u + 6

Solution steps

15 (\frac{2}{5} + 3 u)

Join

\frac{2}{5} + 3 u : \frac{15 u + 2}{5}

= 15 \cdot \frac{15 u + 2}{5}

Apply the fraction rule:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{15 ( 15 u + 2 )}{5}

Divide the numbers:

\frac{15}{5} = 3

= 3 (15 u + 2)

Expand

3 (15 u + 2) : 45 u + 6

= 45 u + 6

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