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  • 23-01-2021
  • Mathematics
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Evauluate the expression 6^2 + x -x^2 for x = 3

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  • 23-01-2021

Answer:

30

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

6² + x - x²

x = 3

Step 2: Evaluate

  1. Substitute in x:                     6² + 3 - 3²
  2. Exponents:                           36 + 3 - 9
  3. Add:                                      39 - 9
  4. Subtract:                               30
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