lulu1814
lulu1814
03-03-2017
Mathematics
contestada
simplify 3r+n^2-r+5-2n+2
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ivanhqp
ivanhqp
03-03-2017
First combine like terms.
3r, -r, = like terms
-2n,+n = like terms
+5, +2 = like terms
n^2 = unlike term
Combine the like terms
Put them in standard form (exponent first, alphabetically ordered variables, constants)
n^2 - 2r -1n + 7
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