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Mathematics 12 Online
OpenStudy (anonymous):

Simplify each expression 10. (x2 + 7x – 4) + (x2 + 9) 11. (g + 6)(g + 4) 12. 3m(-6m – 2m2p – 10p)

OpenStudy (pfenn1):

10. add the like terms\[x^2 + x^2+ 7x – 4 + 9=?\]

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