emilyinmmm emilyinmmm

14-11-2018
Mathematics

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What is this and what is the answer 9a + 10(6a-1)

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wegnerkolmp2741o wegnerkolmp2741o

14-11-2018

9a + 10(6a-1)

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9a +10*6a -10*1

9a +60a -10

add like terms

69a-10

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