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OpenStudy (anonymous):
Combine like terms.B) 2y^2-8y+9-12y^2-8y+3
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OpenStudy (zpupster):
just arrange like terms 2y^2-12y^2-8y-8y+9+3 then add them together watch your signs!!
OpenStudy (anonymous):
2y^2-12y^2= -8y-8y= 9+3 =
OpenStudy (zpupster):
yes thats it
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