Question 1132982
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{{{sqrt(72)}}} = {{{sqrt(36*2)}}} = {{{6*sqrt(2)}}}.


{{{sqrt(98)}}} = {{{sqrt(49*2)}}} = {{{7*sqrt(2)}}}.


Therefore,


w^(3/2)*sqrt(72) - w^(3/2)*sqrt(98) = 6*sqrt(2)*w^(3/2) - 7*sqrt(2)*w^(3/2) = -sqrt(2)*w^(3/2).
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Answered, &nbsp;explained, &nbsp;solved and completed.