What is the result of adding the polynomials 2x^2 + 3x + 4 and 4x^2 - x + 1?

Practice Questions

Q1
What is the result of adding the polynomials 2x^2 + 3x + 4 and 4x^2 - x + 1?
  1. 6x^2 + 2x + 5
  2. 6x^2 + 4x + 5
  3. 2x^2 + 4x + 5
  4. 8x^2 + 2x + 5

Questions & Step-by-Step Solutions

What is the result of adding the polynomials 2x^2 + 3x + 4 and 4x^2 - x + 1?
  • Step 1: Identify the two polynomials you want to add: 2x^2 + 3x + 4 and 4x^2 - x + 1.
  • Step 2: Write down the like terms from both polynomials. Like terms are terms that have the same variable raised to the same power.
  • Step 3: The like terms are: 2x^2 and 4x^2 (for x^2 terms), 3x and -x (for x terms), and 4 and 1 (for constant terms).
  • Step 4: Add the coefficients of the like terms together: 2 + 4 = 6 for x^2 terms, 3 + (-1) = 2 for x terms, and 4 + 1 = 5 for constant terms.
  • Step 5: Write the result as a new polynomial by combining the sums of the like terms: 6x^2 + 2x + 5.
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