(3x^3+7x-1)+(4x^3-9x^2-11x+1)

2 min read Jun 16, 2024
(3x^3+7x-1)+(4x^3-9x^2-11x+1)

Simplifying Polynomial Expressions: (3x^3+7x-1)+(4x^3-9x^2-11x+1)

This article will guide you through the process of simplifying the polynomial expression: (3x^3+7x-1)+(4x^3-9x^2-11x+1).

Understanding the Basics

Before we begin, let's quickly review some key concepts:

  • Polynomial: A mathematical expression consisting of variables and coefficients, combined using addition, subtraction, and multiplication.
  • Terms: Individual parts of a polynomial separated by plus or minus signs.
  • Like Terms: Terms that have the same variables raised to the same powers.

Simplifying the Expression

  1. Identify Like Terms:

    • x^3 terms: 3x^3 and 4x^3
    • x^2 terms: -9x^2
    • x terms: 7x and -11x
    • Constant terms: -1 and 1
  2. Combine Like Terms:

    • x^3 terms: 3x^3 + 4x^3 = 7x^3
    • x^2 terms: -9x^2
    • x terms: 7x - 11x = -4x
    • Constant terms: -1 + 1 = 0
  3. Write the Simplified Expression:

    Combining all the terms, we get the simplified expression: 7x^3 - 9x^2 - 4x

Conclusion

By identifying and combining like terms, we successfully simplified the given polynomial expression. The simplified form, 7x^3 - 9x^2 - 4x, is easier to work with and understand. Remember, combining like terms is a fundamental skill in algebra, and it's crucial for solving various mathematical problems.

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