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Posted by on Sunday, April 10, 2011 at 2:54pm.

solve step by step
0=-2(8t^2-32t+21)

  • Algebra - , Monday, April 11, 2011 at 2:30pm

    -16t^2 + 64t - 42 = 0

    Divide end values into two factors (-7,6 or 7,-6, or 21,-2 or -21,2 or 14, -3 or so on) (16,-1 or -16,1 or 4,-4 or -8, 2 and so on) to see how their sum will get the center value.

    From there it is trial and error. Start trying.

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