Math Problem Statement
Evaluate the expression if a = -2, b = 3, c = 4.2 for 2a + (b+3)2
Solution
Let's evaluate the given expression with the values , , and .
First, substitute the values of and into the expression:
Step-by-step calculation:
- Calculate .
- Calculate .
- Multiply by 2: .
- Add the results: .
Therefore, the value of the expression is .
Would you like a breakdown of any of the steps? Here are 5 related questions:
- How would the expression change if or had different values?
- What happens if the expression includes as well?
- Can this be represented visually with graphs?
- How can you use this method for more complex algebraic expressions?
- What are some similar expressions that involve more variables?
Tip: When substituting values into expressions, handle operations like parentheses and multiplication first to avoid mistakes.
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Math Problem Analysis
Mathematical Concepts
Algebra
Substitution
Simplification
Formulas
2a + (b + 3) * 2
Theorems
-
Suitable Grade Level
Grades 6-8