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20 September, 11:15

Evaluate a2+ab-b2+5 when a=2 and b=3

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Answers (2)
  1. 20 September, 11:43
    0
    A=2, b=3

    if you have an algebra like 2a, it means a*2

    a2+ab-b2+5

    =2*2+2*3-3*2+5

    =4+6-6+5

    =4+5

    =9

    answer=9
  2. 20 September, 13:27
    0
    So 22+23-32+5 (22+23=45) 45+32=77+5=82 So The Answer Is 82.

    Just Add.
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