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gizmo_the_mogwai [7]
3 years ago
6

Combine like terms. (-3^2-7y-9)-(4y^2+6y+9)

Mathematics
1 answer:
RoseWind [281]3 years ago
6 0

Answer:

-7y^2-13y-18

Step-by-step explanation:

(-3y^2-7y-9)-(4y^2+6y+9)

To combine like terms we need to remove the parenthesis

Multiply negative inside the second parenthesis

-3y^2-7y-9-4y^2-6y-9

Now combine like terms

The terms that has same variable are like terms

-3y^2 and -4y^2 are like terms so its -7y^2

-7y and -6y are like terms so it becomes -13y

-9 and -9 are like terms so it becomes -18

Answer is -7y^2-13y-18

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