Learn Before
Finding the Difference
Find the difference of the polynomials:
First, distribute the subtraction by multiplying each term in the second polynomial by , which changes their signs:
Next, rearrange the terms to group the like terms together:
Finally, combine the like terms by adding their coefficients:
0
1
Tags
OpenStax
Intermediate Algebra @ OpenStax
Ch.5 Polynomials and Polynomial Functions - Intermediate Algebra @ OpenStax
Algebra
Related
Simplifying Terms in Polynomial Operations
Refining a Revenue Projection Model
Simplifying
Finding the Sum
Finding the Sum
Finding the Sum
Finding the Difference
Finding the Difference
Finding the Difference
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
A warehouse supervisor is comparing two inventory reports to calculate the net difference in items between two zones. The calculation requires finding the difference of two polynomials: . Match each stage of the subtraction process to the correct algebraic representation.
A retail data analyst is calculating the variance between two seasonal sales projections represented by the polynomials and . To find the net difference using the expression , arrange the following simplification steps in the correct standard order.
A facility manager is comparing the monthly utility costs of two different buildings. Building A's costs are modeled by the polynomial , and Building B's costs are modeled by . To find the difference in cost between Building A and Building B, the manager simplifies the expression . Which of the following is the resulting simplified polynomial?
To find the difference of two polynomials, such as , you must change the sign of every term in the second polynomial before combining like terms.
Distributing Subtraction in Performance Metrics
A logistics coordinator is calculating the discrepancy between projected shipments, , and actual shipments, . When setting up the calculation , the coordinator must first distribute the subtraction operation. This is done by multiplying each term in the second polynomial by ____ to change their signs.
Reconciling Inventory Models