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11 December, 15:48

Which of the following is a factor of 5x3 - 135?

135

x + 3

x2 + 3x + 9

x - 5

+5
Answers (2)
  1. 11 December, 15:51
    0
    The answer to your question is:

    Step-by-step explanation: The third one is a factor

    Factor

    5x³ - 135

    Find the prime factors of 135

    135 3

    45 3

    15 3 Then 135 = 3³ x 5

    5 5

    1

    5x³ - 5 (3) ³

    Factor 5

    5[ x³ - (3) ³]

    5 [ (x - 3) (x² + 3x + 9) ]
  2. 11 December, 15:53
    0
    5 [ (x - 3) (x² + 3x + 9) ]
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