Question 145223
{{{3*sqrt(-27)}}} Start with the given expression



{{{3*3*i*sqrt(3)}}} Simplify {{{sqrt(-27)}}} to get {{{3*i*sqrt(3)}}}



{{{9*i*sqrt(3)}}} Multiply. 



So {{{3*sqrt(-27)}}} simplifies to {{{9*i*sqrt(3)}}}



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{{{4*sqrt(-64)}}} Start with the given expression



{{{4*8*i}}} Simplify {{{sqrt(-64)}}} to get {{{8*i}}}



{{{32*i}}} Multiply. 



So {{{4*sqrt(-64)}}} simplifies to {{{32*i}}}