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Combine like terms. (-3y2 - 7y - 9) - (4y2 + 6y + 9) A. y2 - y B. -9y2 - 11y - 18 C. 7y2 + 13y + 18 D. -7y2 - 13y - 18
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May 24, 2018
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Combine like terms.
(-3y2 - 7y - 9) - (4y2 + 6y + 9)
A. y2 - y
B. -9y2 - 11y - 18
C. 7y2 + 13y + 18
D. -7y2 - 13y - 18
Mathematics
high-school
SammyT
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(-3y2 - 7y - 9) - (4y2 + 6y + 9)
remove the parantheses
-3y^2 - 7y - 9 + 4y^2 + 6y + 9
combine like terms
y^2 - y
A is the correct answer. :)
Andy Raddatz
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May 24, 2018
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Andy Raddatz
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The answer is D.
-7y2 - 13 y - 18
Greg Lever
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May 30, 2018
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Greg Lever
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