Math, asked by adaryani1976, 1 month ago

plss can y'all help me out

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Answers

Answered by ny9013815499

1

Answer:

use identity (a+b)^3= a^3 + b^3 + 3ab(a+b)

Step-by-step explanation:

(3x-5/x)(9x^2+15+28/x^2)

=(3x-5/x)(3x-5/x)(3x-5/x)

=(3x-5/x)^3

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