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15 July, 05:22

Select the correct difference.

5d 2 + 4d - 3 less 2d 2 - 3d + 4

3d2 + 7d - 7

3d2 - 7d - 7

7d2 + 7d - 7

7d2 + d + 1

+1
Answers (1)
  1. 15 July, 05:48
    0
    5d^2 + 4d - 3 - (2d 2 - 3d + 4)

    = 5d^2 + 4d - 3 - 2d^2 + 3d - 4

    =3d^2 + 7d - 7

    answer is 3d^2 + 7d - 7 (first choice)
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