Respuesta :

(4x+2)(x-5)/2

(4 . 2 + 2)(2 - 5)/2

(8 + 2)(- 3)/2

10/2 . (- 3)

5 . (- 3)

- 15

Answer: - 15

Space

Answer:

-15

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

(4x + 2)(x - 5) / 2

x = 2

Step 2: Evaluate

  1. Substitute:                             (4 · 2 + 2)(2 - 5) / 2
  2. Parenthesis - Multiply:          (8 + 2)(2 - 5) / 2
  3. Parenthesis - Add:                10(2 - 5) / 2
  4. Parenthesis - Subtract:         10(-3) / 2
  5. Multiply:                                 -30 / 2
  6. Divide:                                    -15

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