Seudónimo Seudónimo

07-11-2019
Mathematics

contestada

-81a+90

Hint: factoring and distributive property

I know that 81 and 90 are divisible by 9

9x9=81 / 9x10=90

Respuesta :

10-11-2019

Answer:

-9(9a-10) or 9(-9a+10) (whichever one is correct)

Step-by-step explanation:

Just take out the -9 or 9

Answer Link

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