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5 June, 21:35

4m²-25 how do you solve this problem I don't understand

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Answers (2)
  1. 5 June, 21:38
    0
    4m^2-25 = > (ax+b) (ax-b)

    (2m+5) (2m-5)
  2. 5 June, 21:48
    0
    Add 25 to both sides to get 4m^2 = 25

    divide by 4 to give m^2=25/4 (6.25)

    square root answer to get m = 5/2 (2.5)
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