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9 October, 14:58

How do I simplify this? Include steps.

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  1. 9 October, 15:39
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    Simplify the following:

    (5 i^3 t^4) / 7 - 2

    i^3 = i^2*i = (-1) i = - i:

    (5*-i t^4) / 7 - 2

    Put each term in (5 (-i) t^4) / 7 - 2 over the common denominator 7:

    (5 (-i) t^4) / 7 - 2 = (-5 i t^4) / 7 - 14/7:

    (-5 i t^4) / 7 - 14/7

    (-5 i t^4) / 7 - 14/7 = (-5 i t^4 - 14) / 7:

    Answer: (-5 i t^4 - 14) / 7
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