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1. What is the sum of the polynomials?
(m + n + 3) + (m + n + 4)

2. Find the difference of the polynomials
(10m – 6) – (7m – 4)

3. Find the difference of the polynomials
(4m – 5) – (6m – 7 + 2n)

Respuesta :

I hope this helps you



1)


m+n+3+m+n+4


2m+2n+6


2)


10m-6-7m+4


3m-2


3)


4m-5-6m+7-2n


2-2m-2n

Answer:

1. 2m+2n+7

2. 3m-2

3.-2m+2-2n

Explanation:

To find the sum of given polynomials (m+n+3) +(m+n+4)

Firstly, open the parenthesis we will get  m+n+3+m+n+4  

After simplification we will get  2m+2n+7

To find the difference of given polynomials (10m-6)-(7m-4)

Firstly, open the parenthesis we will get 10m-6-7m+4

After simplification we will get  3m-2

Again to find the difference of the polynomials (4m-5)-(6m-7+2n)

Firstly, open the parenthesis we will get 4m-5-6m+7-2n

After simplification we will get -2m+2-2n

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