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OpenStudy (anonymous):
How to simplify n(n+4) - n(n-2)
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OpenStudy (mathmale):
I'd start by multiplying out the two products, using the distributive rule. For example, n(n+4) = n^2 + 4n. What about -n(n-2)?
OpenStudy (anonymous):
Distribute first. It will be n^2+4n-n^2+2n. Next combine like terms. The n^2s cancel out, and it is 6n. So simplified it is equal to 6n
OpenStudy (mathmale):
Great minds think alike! :)
OpenStudy (anonymous):
lol yeah :D
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