rs0111013 rs0111013

16-08-2022
Mathematics

contestada

find the cube of (9x+3)

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rspill6 rspill6

16-08-2022

Answer:

729x^3 + 729x^2 + 243x + 27

Step-by-step explanation:

(9x+3)^3

(9x+3)(9x+3)(9x+3)

(81x^2 + 54x + 9)(9x+3)

(729x^3 + 486x^2 + 81x + 243x^2 + 162x + 27)

729x^3 + 729x^2 + 243x + 27

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