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Mathematics 19 Online
OpenStudy (anonymous):

(x^2+8xy+y^2)-(-6x^2+2xy+4y^2)= help

OpenStudy (blurbendy):

distribute the negative sign to (-6x^2+2xy+4y^2) = 6x^2 - 2xy - 4y^2 (x^2+8xy+y^2) + 6x^2 - 2xy - 4y^2 = 7x^2 + 10xy -3y^2

OpenStudy (blurbendy):

oops that should be - 6xy, not 10xy

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