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Answer:
P ( x ) = (3/5)*[(x-1)^2]*(x)*(x + 1 )
Step-by-step explanation:
P ( x ) = a (x-1)^2(x)^1 (x + 1 )^1
sub P(5)=288
288 = a (4)^2(5) (6)
a = 3/5