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Question 2 • DHS Algebra 2 V
Distribute −5 across the parentheses: −5(x² − 4) = −5x² + 20. Then combine like terms: 7x² − 5x² = 2x² and 3 + 20 = 23, giving 2x² + 23, choice C.
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Adding and Subtracting Radicals
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