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Algbrea 2 Math

square root 20= ??????? square root 5. 

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Nataliya D. | Patient and effective tutor for your most difficult subject.Patient and effective tutor for your mos...
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√20 = √(4*5) = √4 * √5 = ±2√5.
Parviz F. | Mathematics professor at Community CollegesMathematics professor at Community Colle...
4.8 4.8 (4 lesson ratings) (4)
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√20 = √(2 . 2. 5) = √22 . √5 = 2 √5