Simplifying the Expression (-3)^2 + 6(-3) + 5
This article will guide you through the process of simplifying the mathematical expression (-3)^2 + 6(-3) + 5.
Understanding the Order of Operations
To simplify this expression, we need to follow the order of operations, often remembered by the acronym PEMDAS or BODMAS:
- Parentheses ( Brackets)
- Exponents ( Orders)
- Multiplication and Division (from left to right)
- Addition and Subtraction (from left to right)
Step-by-Step Simplification
- Exponents: First, we calculate (-3)^2, which is (-3) * (-3) = 9.
- Multiplication: Next, we perform the multiplication 6(-3) = -18.
- Addition and Subtraction: Finally, we add and subtract the terms from left to right: 9 + (-18) + 5 = -4.
Conclusion
Therefore, the simplified form of the expression (-3)^2 + 6(-3) + 5 is -4. By following the order of operations, we can break down complex expressions into manageable steps and arrive at the correct solution.