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8 September, 19:02

Solve the following equation for t.

-2t^2+t+28=0

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  1. 8 September, 19:28
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    Hello,

    -2t²+t+28=0

    ==>2t²-t-28) = 0

    ==>2t²-8t+7t-28=0

    ==>2t (t-4) + 7 (t-4) = 0

    ==> (t-4) (2t+7) = 0

    ==>t=4 or t=-7/2
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