Problem 126 of 7
Explain polynomial closure under addition using (5x - 8) + (2x + 10).
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reason that results remain polynomials.
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Operation must be addition, subtraction, or multiplication of polynomials.
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Solution
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1. State the structure of polynomial terms.
2. Describe how the operation changes coefficients and exponents.
3. Conclude the result remains a polynomial.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Examples only when a general explanation is requested.