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Mathematics 15 Online
OpenStudy (anonymous):

add (-5+6x^7+2x^5)+(9x^7+5x^5+9)

OpenStudy (anonymous):

\[15 x^7+7 x^5+4 \]

OpenStudy (aroub):

-5+6x^7+2x^5+9x^7+5x^5+9 add like terms, (6x^7+9x^7)+(2x^5+5x^5)+(9-5) simplify, 15x^7+7x^5+4

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