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21 November, 22:42

64p=-16+8p-40p^2 solve by factoring.

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  1. 21 November, 23:59
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    Solution set = { (-1,-2/5) ]

    Step-by-step explanation:

    64p=-16+8p-40p²

    64p-8p=-16-40p²

    56p+16+40p²=0

    40p²+56p+16=0

    8 (5p² + 7p+2) = 0

    5p²+5p+2p+2=0

    5p (p+1) + 2 (p+1) = 0

    (p+1) (5p+2) = 0

    p+1=0; 5p+2=0

    p=-1; p=-2/5
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