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27 April, 20:42

Evaluate the expression below for s=3 and t = 7

the problem

2st^2 minus s^2 =

+4
Answers (2)
  1. 27 April, 20:48
    0
    285

    Step-by-step explanation:

    Substitute:

    2 (3) (7) ^2-3^2

    Simplify and solve:

    (6) (49) - 9

    294-9

    285
  2. 27 April, 20:49
    0
    the answer is 4
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