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Mathematics 7 Online
OpenStudy (anonymous):

x^2+2x-120=) A. (-12,1) B. (12,10) C.(12,-10) D.(-12,10)

OpenStudy (anonymous):

is i a variable or imaginary number?

OpenStudy (anonymous):

I'll assume variable. Use FOIL to expand the brackets.|dw:1336029890747:dw|

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