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03-10-2020
Mathematics

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Factor completely 9r^3-72r^2

Respuesta :

03-10-2020

Answer:

9r²(r - 8)

Step-by-step explanation:

Step 1: Write expression

9r³ - 72r²

Step 2: Factor out 9

9(r³ - 8r²)

Step 3: Factor out r²

9r²(r - 8)

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