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Mathematics 21 Online
OpenStudy (anonymous):

multiply (2x+4)(5x^2+9x+9)

OpenStudy (saifoo.khan):

\[10 x^3+38 x^2+54 x+36 \]

OpenStudy (anonymous):

(2x +4) (5x^2 + 9x + 9) distributive property: 10x^3 + 18x^2 + 18x + 20x^2 + 36x + 36 simplify by combining like terms: 10x^3 + 28x^2 + 54x +36

OpenStudy (anonymous):

saifoo i just email you

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