Respuesta :

Space

Answer:

-213

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

Step-by-step explanation:

Step 1: Define

3|x + y|² - (xy)²

x = 3

y = -5

Step 2: Evaluate

  1. Substitute:                    3|3 - 5|² - (3(-5))²
  2. Multiply:                        3|-2|² - (-15)²
  3. Exponents:                   3|-2|² - 225
  4. Absolute Value:           3(2)² - 225
  5. Exponents:                   3(4) - 225
  6. Multiply:                        12 - 225
  7. Subtract:                       -213

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