How to add and subtract polynomials in pre-algebra

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Math › How to add and subtract polynomials in pre-algebra

Questions 1 - 10
1

Simplify the expression.

Explanation

Combine like terms.

Add the terms together.

2

What is ?

Explanation

When subtracting polynomials you only subtract the integers in front of like termed variables raised to the same power.

So in this case we take the numbers from in front of the variables and subtract them to get

After subtraction we add the variable to get .

The answer is .

3

What is simplified?

Explanation

When subtracting polynomials you only subtract the integers in front of like-termed variables raised to the same power.

So in this case we take the numbers and subtract them

After subtraction we add the variable to get .

The answer is .

4

What is

Explanation

When adding polynomials you only add the integers in front of like-termed variables raised to the same power.

So in this case we take the numbers and add

After addition we add the variable to get .

5

Simplify

Explanation

When adding variables raised to the same power, add the values in front of the like-termed variables. In this case, we add and to get .

6

What is the sum of and ?

Explanation

In order to solve the problem, simply add the equations.

Combine like terms.

Solve.

7

Simplify

Explanation

When dividing variables raised to the same power, subtract the power of the bottom term from the power of the top term. In this case, subtract from to find the power of the answer, .

8

What is simplified?

Explanation

When adding polynomials you add the integers in front of like termed variables raised to the same power.

So in this case we take the numbers from, , and add

After addition we provide the variable to get

We have the answer, .

9

What is ?

Explanation

When adding polynomials you add the integers in front of like-termed variables raised to the same power.

So in this case we take the numbers and add

After addition we add the variable to get

We have the answer .

10

What is ?

Explanation

When subtracting polynomials you only subtract the integers in front of like-termed variables raised to the same power.

So in this case we take the numbers and subtract them

After subtraction we add the variable to get .

The answer is .

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