Respuesta :

Space

Answer:

12x² - 6x + 13

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Algebra I

  • Terms/Coefficients/Degrees

Step-by-step explanation:

Step 1: Set up

(9x² - 4x + 11) + (3x² - 2x + 2)

Step 2: Simplify

  1. Combine like terms (x²):                     12x² - 4x + 11 - 2x + 2
  2. Combine like terms (x):                       12x² - 6x + 11 + 2
  3. Combine like terms (Z):                      12x² - 6x + 13

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