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ACCUPLACER
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Multiply Radicals and Use Conjugates
Grade Level
ACCUPLACER
AAF.092 Multiply Radicals and Use Conjugates
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Assume the radical is defined. Use the conjugate product for (2√(5x + 1) + 6)(2√(5x + 1) - 6). Which result is correct?
A
4√(5x + 1) - 36
B
20x - 32
C
20x + 40
D
20x - 32 + 24√(5x + 1)
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