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16-12-2019
Mathematics

contestada

(-9r-4+14r2)-(2r-11r2+5)

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TelluStillChill TelluStillChill

15-02-2021

Answer:

25r2 - 11r - 9

Step-by-step explanation:

(-9r - 2r) + (-4 - 5) + (14r2 + 11r2)

= -11r - 9 + 25r2

= 25r2 - 11r - 9

I hope this is correct

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