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Which polynomial is equivalent to 2x + 3x - 4?

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Question: Which polynomial is equivalent to 2x + 3x - 4?

Options:

  1. 5x - 4
  2. 5x + 4
  3. x - 4
  4. x + 4

Correct Answer: 5x - 4

Solution: 

Combine like terms: 2x + 3x = 5x, so the polynomial is 5x - 4.

Which polynomial is equivalent to 2x + 3x - 4?

Practice Questions

Q1
Which polynomial is equivalent to 2x + 3x - 4?
  1. 5x - 4
  2. 5x + 4
  3. x - 4
  4. x + 4

Questions & Step-by-Step Solutions

Which polynomial is equivalent to 2x + 3x - 4?
Correct Answer: 5x - 4
  • Step 1: Identify the terms in the polynomial: 2x, 3x, and -4.
  • Step 2: Combine the like terms (the terms with 'x'): 2x + 3x.
  • Step 3: Calculate the sum of 2x and 3x: 2 + 3 = 5, so 2x + 3x = 5x.
  • Step 4: Write the new polynomial by including the constant term: 5x - 4.
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