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(7u^3-u^2)+(2u^3-4u^2+2)
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(7u^3-u^2)+(2u^3-4u^2+2)

User Kenn
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2 Answers

3 votes
(7u^3-u^2)+(2u^3-4u^2+2)
(7+2)u^3+(-1+-4)u^2+2
=9(u^3)-5(u^2)+2
User Eyad Fallatah
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9.1k points
0 votes
(7u³-u²)+(2u³-4u²+2) =
7u³-u²+2u³-4u²+2 =
9u³-5u²+2
User Muhammad Qasim Qadri
by
7.9k points
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