Question 217939
3sqrt(-75) + 5sqrt(-48)
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3{sqrt(-1)*sqrt(3) *sqrt(25)} +5{sqrt(-1)*sqrt(16)*sqrt(3)} 
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{3*sqrt25}{sqrt(-1)*sqrt(3)} +{5*sqrt16}{sqrt(-1)*sqrt(3)}
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{3*5}{ i*sqrt3} + {5*4} {i*sqrt3}
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15 {i*sqrt3} +  20{i*sqrt3}
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35 (i*sqrt3)
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35 i sqrt 3,,,,,answer
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