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Adding and subtracting polynomials

Mathematics — first biennium · Lesson

Polynomials · 3

Align like terms and check signs

In addition, combine terms with the same literal part. In subtraction, the minus sign changes the sign of every term in the second polynomial before reduction.

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The minus before the parentheses applies to every term.

What you need to know before the exercises

In this lesson: Add and subtract polynomials while correctly handling parentheses, signs and like terms.

You can already assume: Polynomial reduction and like terms.

Try it now

Combine the two polynomials

Guided

Completed exercises: 0/5 · Correct on first attempt: 0

Guide
  1. For subtraction, first change the signs of the second polynomial.
  2. Group terms of the same degree.
  3. Add the coefficients and reduce.
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What you need to know for Adding and subtracting polynomials

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Current topic Strong skill Review due Needs reinforcement To be mastered Optional support

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