54.8k views
10 votes
If x=6 and y=2 then what is the value of 3x^2-4(2y-4/12)+8​

User Tolluy
by
7.7k points

1 Answer

13 votes

Answer:

304/3

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

Explanation:

Step 1: Define

3x² - 4(2y - 4/12) + 8

x = 6, y = 2

Step 2: Evaluate

  1. Substitute in variables: 3(6)² - 4(2(2) - 4/12) + 8
  2. Evaluate exponents: 3(36) - 4(2(2) - 4/12) + 8
  3. Multiply: 108 - 4(2(2) - 4/12) + 8
  4. (Parenthesis) Multiply: 108 - 4(4 - 4/12) + 8
  5. (Parenthesis - Fraction) Simplify: 108 - 4(4 - 1/3) + 8
  6. (Parenthesis) Subtract: 108 - 4(11/3) + 8
  7. Multiply: 108 - 44/3 + 8
  8. Subtract: 280/3 + 8
  9. Add: 304/3
User Evi
by
7.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories