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Mia Doyle
Mathematics
11 September, 05:56
64p=-16+8p-40p^2 solve by factoring.
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Araceli Ortega
11 September, 06:16
0
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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