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Mathematics 7 Online
OpenStudy (anonymous):

Multiply and simplify: 10x(9x2 + 6x + 7)

OpenStudy (anonymous):

90x3 + 60x2 + 70x

OpenStudy (anonymous):

\[10x*(3x+\sqrt{7})\]

OpenStudy (anonymous):

i forgot square (3x+7√)^2

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