Question 369012
{{{sqrt(2x)/sqrt(63)=sqrt(2x)/(sqrt(9*7))}}}
{{{sqrt(2x)/sqrt(63)=sqrt(2x)/(3*sqrt(7))}}}
{{{sqrt(2x)/sqrt(63)=(sqrt(2x)sqrt(7))/(3*sqrt(7)*sqrt(7))}}}
{{{sqrt(2x)/sqrt(63)=sqrt(14x)/(21)}}}
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Your answer is not incorrect, it's just not simplified.
{{{sqrt(126x)/63=sqrt(9*14x)/63}}}
{{{sqrt(126x)/63=(3*sqrt(14x))/63}}}
{{{sqrt(126x)/63=sqrt(14x)/21}}}