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Which expression represents the sum of the polynomials (3x^2 + 2x) and (4x^2 - 5

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Question: Which expression represents the sum of the polynomials (3x^2 + 2x) and (4x^2 - 5x)?

Options:

  1. 7x^2 - 3x
  2. 7x^2 + 3x
  3. x^2 - 3x
  4. x^2 + 3x

Correct Answer: 7x^2 - 3x

Solution: 

Step 1: Combine like terms: (3x^2 + 4x^2) + (2x - 5x) = 7x^2 - 3x.

Which expression represents the sum of the polynomials (3x^2 + 2x) and (4x^2 - 5

Practice Questions

Q1
Which expression represents the sum of the polynomials (3x^2 + 2x) and (4x^2 - 5x)?
  1. 7x^2 - 3x
  2. 7x^2 + 3x
  3. x^2 - 3x
  4. x^2 + 3x

Questions & Step-by-Step Solutions

Which expression represents the sum of the polynomials (3x^2 + 2x) and (4x^2 - 5x)?
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