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21 August, 23:29

Expand 2 (5x+4) (5x+4)

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  1. 22 August, 00:04
    0
    If you would like to expand 2 * (5 * x + 4) * (5 * x + 4), you can calculate this using the following steps:

    2 * (5 * x + 4) * (5 * x + 4) = (10 * x + 8) * (5 * x + 4) = 10 * x * 5 * x + 10 * x * 4 + 8 * 5 * x + 8 * 4 = 50 * x^2 + 40 * x + 40 * x + 32 = 50 * x^2 + 80 * x + 32

    The correct result would be 50 * x^2 + 80 * x + 32.
  2. 22 August, 00:52
    0
    2 (5x+4) (5x+4) = 2 (25x^2 + 20x + 20x + 16) = 2 (25x^2 + 40x + 16) = 50x^2 + 80x + 32.
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