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p^3+16p=-81^2 factor

Sagot :

P^3 +16p = -81^2

H.C.F = p

p((p^3/p)+ (16p/p)) =-81^2

p(p^2 + 16) = -81 x -81

p(p^2 + 16) = 6561

p(p^2 + 4^2) -6561 = 0

p (p^2 + 4^2) -81^2=0

p ((p^2 + 4^2) -81^2 =0

p( p^2 +4^2 -