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-14cd-2c²d²+15cd+9c²d²-15cd need help
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-14cd-2c²d²+15cd+9c²d²-15cd need help

User More Tension
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4 votes
-14cd - 2c²d² + 15cd+9c²d²-15cd
= cd(-14 + 15 - 15) + c²d²(-2 + 9)
= 7c²d² - 14cd

Hope it helps
User Odwl
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5 votes
Combine like terms.

-14cd + 15cd - 15cd = -14cd
-2c²d² + 9c²d² = 7c²d²

7c²d² - 14cd is your answer

hope this helps
User Ibarrond
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6.2k points
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