christianwelliver031 christianwelliver031
  • 24-10-2020
  • Mathematics
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Find the sum of 7a^3 + 14a + 12 and -6a^3 + 12a^2 -7.

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ackahedem582
ackahedem582 ackahedem582
  • 26-10-2020

Step-by-step explanation:

(7a^3 + 14a + 12) + (-6a^3 + 12a^2 - 7)

Grouping like terms;

7a^3 - 6a^3 +12a^2 + 14a + 12 - 7

a^3 + 12a^2 + 14a + 5

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