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Finding the Sum
To find the sum of the polynomials , follow these steps:
First, distribute the addition, which simply removes the parentheses:
Next, rearrange the expression to group the like terms together:
Finally, combine the like terms by adding their coefficients:
The sum is .
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Intermediate Algebra @ OpenStax
Ch.5 Polynomials and Polynomial Functions - Intermediate Algebra @ OpenStax
Algebra
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Finding the Sum
Finding the Sum
Finding the Sum
Finding the Difference
Finding the Difference
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Subtracting from
Finding the Sum
Simplifying
Simplifying
Simplifying
Addition of Polynomial Functions
Arrange the steps in order to simplify .
When subtracting one polynomial from another, you must change the _____ of every term in the polynomial being subtracted before combining like terms.
When subtracting one polynomial from another, what is the first step?
The Commutative Property of Addition lets you reorder the terms of a polynomial so like terms can be grouped together.
Match each term to its meaning for adding and subtracting polynomials.
When you add the like terms and , what happens to the variable part?
Explain how to subtract one polynomial from another. What extra step is needed compared to adding polynomials?
When you combine like terms, such as and , what part of each term do you add or subtract?
Learn After
Finding the Sum
Finding the Sum
As a production coordinator for a manufacturing plant, you are updating a database that tracks material costs. You need to combine two algebraic expressions representing the total costs of different production runs. What is the sum of ?
An operations manager is combining two algebraic models that predict resource requirements for different departments: Department A () and Department B (). Arrange the following steps in the correct order to simplify the total resource model: .
An operations analyst is merging two departmental budget models represented by the polynomials and . To simplify the total budget, the analyst must group like terms. Match each set of terms from the models with their correct combined sum in the final simplified expression.
A financial analyst is merging two departmental cost models represented by the polynomials and . True or False: The simplified expression for the total combined cost is .
Combined Emission Level Modeling
A logistics supervisor at a corporate distribution center is combining two models that predict package processing variance for two different zones. Zone A's variance model is , and Zone B's variance model is , where represents the volume of urgent shipments and represents the volume of standard shipments.
To find the combined variance model for the entire facility, the supervisor adds the two expressions:
To simplify
Consolidating Division Profit Models