Respuesta :

Space

Answer:

5s² + 9

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: Define

7s² + 9 + -2s²

Step 2: Simplify

  1. Rewrite:                               7s² + 9 - 2s²
  2. Combine like terms (s²):     5s² + 9