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04-09-2016
Mathematics

contestada

-7(-5v-3u 4) use the distributive property to remove the parentheses

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04-09-2016

distributeiv poepty
a(b+c)=ab+ac

remember that (-) times (-)=(+)
and (+) TIMES (-)=(-)

SO
-7(-5v-3u+4)=(-7)(-5v)+(-7)(-3u)+(-7)(4)=35v+21u-28

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