Respuesta :

Space

Answer:

7.99

General Formulas and Concepts:

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction

Step-by-step explanation:

Step 1: Define

x² + 3x

x = 1.7

Step 2: Solve

  1. Substitute:                         1.7² + 3(1.7)
  2. Exponents:                        2.89 + 3(1.7)
  3. Multiply:                             2.89 + 5.1
  4. Add:                                   7.99