Answer :
Final answer:
For combining like terms, we group the terms with the same variable and exponent together and then perform the necessary addition or subtraction. (-7y cubed - y cubed) + (-3y + 5y - 7y) = -8y cubed - 5y.
Explanation:
To combine like terms in the expression: negative 7y cubed minus 3y plus 5y minus y cubed -4 haut 7y cubed minus 7y, we need to combine the terms that have the same variable and exponent.
First, let's focus on the terms with y cubed. We have -7y cubed and -y cubed. When we combine these two terms, we get -7y cubed - y cubed = -8y cubed. Next, let's combine the terms with y. We have -3y, +5y, and -7y. Combining these terms, we get -3y + 5y - 7y = -5y. Now, combining the two results, we have: -8y cubed - 5y.
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