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2 square root 32 - 5 square root 128

2 square root 32 - 5 square root 128
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2 square root 32 - 5 square root 128

User Carmenism
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2 √(32) -5 √(128) =2 √(16 * 2) -5 √(64 * 2) \\ =2 * √(16) * √(2) -2 * √(64) * √(2) \\ =2(4) √(2) -2(8) √(2) =8 √(2) -16 √(2) \\ =-8 √(2)
User Milinda
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