Math Problem Statement
(7x^2 + x) - (9x^2 + 4x)
Solution
To simplify the expression , follow these steps:
Step 1: Distribute the negative sign
Distribute the negative sign across the terms inside the second parentheses:
This becomes:
Step 2: Combine like terms
-
Combine and :
-
Combine and :
Step 3: Write the simplified result
Final Answer:
Would you like a more detailed explanation or help with related problems?
5 Related Questions:
- How do you simplify polynomial expressions with multiple variables?
- What is the significance of combining like terms in algebra?
- How can you factorize expressions like ?
- How does distributing a negative sign affect an expression?
- What are the rules for adding and subtracting polynomials?
Tip:
Always double-check your work by re-expanding or re-evaluating the steps to confirm accuracy.
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Math Problem Analysis
Mathematical Concepts
Algebra
Simplifying Polynomial Expressions
Combining Like Terms
Formulas
Distributive Property: a(b + c) = ab + ac
Theorems
Commutative Property of Addition
Associative Property of Addition
Suitable Grade Level
Grades 7-9
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