Simplify 3x^2 - 4x^2 + 1 + 2x^2 - 5x^2 - 7x

Question:

Simplify 3x2 - 4x2 + 1 + 2x2 - 5x2 - 7x

Simplifying Terms:

When dealing with terms that are raised to different powers, they cannot be combined with terms raised to different powers. That means that if you see xa + xb, the terms cannot be combined because we don't know x.

Answer and Explanation:

To simplify 3x2 - 4x2 + 1 + 2x2 - 5x2 - 7x we need to combine the like terms which are:

  • All the numbers with x raised to the second power
  • All the...

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Combining Like Terms: Definition, Simplifying & Practice

from High School Algebra I: Help and Review

Chapter 14 / Lesson 8
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