Factor
5\left(n+3r^{2}+1\right)
Evaluate
5\left(n+3r^{2}+1\right)
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5n+15r^{2}+5
Multiply and combine like terms.
5\left(n+3r^{2}+1\right)
Factor out 5.
15r^{2}+5+5n
Combine 8r^{2} and 7r^{2} to get 15r^{2}.
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