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Adding and subtracting polynomials. help?
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1 vote
Adding and subtracting polynomials. help?

Adding and subtracting polynomials. help?-example-1
User Wirnse
by
3.5k points

2 Answers

1 vote

Answer:

3)

Explanation:

1. Remove brackets

2. add like terms (-8y and 2y)

3. copy the un-addble terms behind

User Kalle Richter
by
3.7k points
7 votes

Answer:

Third choice

Explanation:

Add and subtract like terms:

-2xy - 6xy = -8xy

-8y - 2y = -10y

-4y^4 + y^4 = -3y^4

Combine them together, and you get:

-3y^4 - 8xy -10y

User Lightalex
by
3.7k points
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