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12-02-2020
Mathematics

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Find the sum of 7a^3+14a+12 and -6a^3+12a^2-7

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12-02-2020

Answer:

a³+2a³+5

Step-by-step explanation:

7a³+14a+12+{-6a³}+12a²-7

=7a³-6a³+14a+12a²+12-7

=a³+2a³+5

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