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Evgesh-ka [11]
3 years ago
9

Use addition and subtraction to simplify (3x^2- 3x + 6 ) - (5x^2+2x + 9)

Mathematics
1 answer:
lesya [120]3 years ago
3 0

Answer:

-2x² - 5x - 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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

Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

(3x² - 3x + 6) - (5x² + 2x + 9)

<u>Step 2: Simplify</u>

  1. [Distributive Property] Distribute negative:                                                    3x² - 3x + 6 - 5x² - 2x - 9
  2. [Subtraction] Combine like terms (x²):                                                             -2x² - 3x + 6 - 2x - 9
  3. [Subtraction] Combine like terms (x):                                                              -2x² - 5x + 6 - 9
  4. [Subtraction] Combine like terms (Z):                                                              -2x² - 5x - 3
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