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18 November, 15:51

What is the product of (3a + 2) (4a? - 2a + 9) ?

1223 - 2a + 18

12a3 + 6a + 9

12a3 - 6a + 23a + 18

1223 + 2a + 23a + 18

+1
Answers (1)
  1. 18 November, 15:58
    0
    The answer is 12a^3+2a²+23a+18 ...

    Step-by-step explanation:

    The given terms are:

    (3a + 2) (4a² - 2a + 9)

    Now multiply each value of second bracket with the first bracket:

    =4a² (3a+2) - 2a (3a+2) + 9 (3a+2)

    =12a^3+8a²-6a²-4a+27a+18

    Solve the like terms:

    =12a^3+2a²+23a+18

    Therefore the answer is 12a^3+2a²+23a+18 ...
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