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15 March, 01:49

Will mark Brainliest

Multiply and simplify.

(x - 3) (x^2 + 3x + 9)

A)

x^3 - 27

B)

x^3 - 27x^2

C)

x^3 - 6x^2 + 3x - 27

D)

x^3 - 9x^2 + 6x - 27

+3
Answers (2)
  1. 15 March, 03:58
    0
    The answer would be a
  2. 15 March, 04:57
    0
    A) x^3-27

    Step-by-step explanation:

    start by multplying x to the numbers in the second set of parenthesis:

    x^3+3x^2+9x

    then multiply the - 3 to the numbers in the second set of parenthesis:

    -3x^2-9x-27

    add these together:

    (x^3+3x^2+9x) + (-3x^2-9x-27)

    the 3x^2 and - 3x^2 cancel as do the 9x and - 9x so you are left with x^3-27
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