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    Mathematics
    Grade10
    Easy

    Question

    Factor 2x3 + 32x2 + 128x

    1. 2x (x + 8)2
    2. x (x + 8) (x – 8)
    3. 2x (x + 4)2
    4. 2x (x + 64) (x + 64)

    The correct answer is: 2x (x + 8)2

      Take out 2x,
      2x (x2 + 16x + 64) = 2x (x2 + 2(x)(8) + 82) = 2x (x + 8)2

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