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OpenStudy (anonymous):
What method do you use to solve (8n+5) (n-4)=0?
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OpenStudy (anonymous):
We use the method where multiplying anything by 0 nets you zero. So 8n+5=0, and n-4=0. Voila.
OpenStudy (anonymous):
If the product of the two expressions is 0, then one of them must equal zero. 8n+5 = 0 n - 4 = 0
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