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OpenStudy (anonymous):
Combine Like Terms. (-3y^2-7y-9)-(4y^2+6y+9)
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OpenStudy (anonymous):
you mean this? O.o \[ (-3y^2 -7y -9) - (4y^2 + 6y + 9) = \\ = (-3y^2 -7y -9) -4y^2 -6y -9 = \\ =-7y^2 - 13y -18 \]
OpenStudy (anonymous):
i think so
OpenStudy (anonymous):
yea
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