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6 August, 12:53

Find the product. (2m+5) ^3

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Answers (2)
  1. 6 August, 13:45
    0
    8m+125 because 2^3 is 8 and m just stays the same and 5^3 is 125 so it is 8m+125
  2. 6 August, 14:50
    0
    8m3+60m2+150m+125

    Step-by-step explanation:

    (2m+5) * (2m+5) * (2m+5)

    = (2m+5) (4m2+20m+25)

    = (2m) (4m2) + (2m) (20m) + (2m) (25) + (5) (4m2) + (5) (20m) + (5) (25)

    =8m3+40m2+50m+20m2+100m+125

    =8m3+60m2+150m+125
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