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Mathematics 65 Online
OpenStudy (anonymous):

2x2y + 7z2y - xy + 4x2y + 4z2y - xy Simplify

OpenStudy (anonymous):

= 10xy + 22zy = 2(5xy + 11zy)

OpenStudy (anonymous):

On this one I messed up

OpenStudy (anonymous):

2x^2y + 7z^2y - xy + 4x^2y + 4z^2y - xy Simplify

OpenStudy (anonymous):

\[2x^(2y) + 7z^(2y) - xy + 4x^(2y) + 4z^(2y) - xy\] ?

OpenStudy (anonymous):

\[= 6x^(2y) + 11z^(2y) - 2xy\]

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