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-2n-1(9-10n). please help

User Farjana
by
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1 Answer

2 votes

Hey there!☺


Answer:\boxed{8n-9}


Explanation:


-2n-1(9-10n)

Step 1: Distribute.


-2n+(-1)(9)+(-1)(-10n)\\-2n+-9+10n

Step 2: Combine like terms.


(-2n+10n)+(-9)

Answer:


8n-9

Hope this helps!☺

User Sjors Branderhorst
by
6.8k points