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You subtract a polynomial by adding its additive inverse. For example, subtracting (x - y) is the same as adding (-x + y).
Alternately, you can simply subtract similar terms - that is, subtract the coefficients (the numbers) for terms that have the same combination of variables.
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Continue Learning about Algebra
What are the operation of polynomials?
Adding and subtracting polynomials is simply the adding and subtracting of their like terms.
What are the rules for simplifying polynomials?
top times top, bottom times bottom
What are the rules in adding and subtracting polynomial?
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How polynomials and non polynomials are alike?
they have variable
Can the sum of three polynomials again be a polynomial?
The sum of two polynomials is always a polynomial. Therefore, it follows that the sum of more than two polynomials is also a polynomial.
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