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Simplify the radicals square root27 square root 80 square root 243

User MBZ
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1 Answer

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Use\ √(a\cdot b)=√(a)\cdot√(b)\\\\√(27)=√(9\cdot3)=\sqrt9\cdot\sqrt3=\boxed{3\sqrt3}\\\\√(80)=√(16\cdot5)=√(16)\cdot\sqrt5=\boxed{4\sqrt5}\\\\√(243)=√(81\cdot3)=√(81)\cdot\sqrt3=\boxed{9\sqrt3}
User Unwichtich
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