Simplifying Algebraic Expressions
This article will guide you through the process of simplifying the algebraic expression:
(3x + 4) + ((5x^2 - 1) + (2x + 6)) = x^2 + x + _
Understanding the Problem
We need to simplify the given expression by combining like terms and then determine the missing term on the right side of the equation.
Step-by-Step Solution
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Remove the parentheses:
- Start by removing the innermost parentheses: (3x + 4) + (5x^2 - 1 + 2x + 6) = x^2 + x + _
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Combine like terms:
- Combine the x^2 terms: 5x^2 + (3x + 2x) + (4 - 1 + 6) = x^2 + x + _
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Simplify further:
- Combine the x terms and the constant terms: 5x^2 + 5x + 9 = x^2 + x + _
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Isolate the missing term:
- To find the missing term, subtract x^2 and x from both sides of the equation: 5x^2 - x^2 + 5x - x + 9 = _
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Simplify: 4x^2 + 4x + 9 = _
Final Answer
Therefore, the simplified expression is 4x^2 + 4x + 9, and the missing term is 9.
The complete equation is:
(3x + 4) + ((5x^2 - 1) + (2x + 6)) = x^2 + x + 9