Question 135706
{{{2sqrt(8)-3sqrt(50)}}}


8 = 4 * 2 and 50 = 25 * 2


{{{2sqrt(4 * 2)-3sqrt(25 * 2)}}}


Remember: {{{sqrt(ab)=sqrt(a)sqrt(b)}}}, so


{{{2sqrt(4)sqrt(2)-3sqrt(25)sqrt(2)}}}


{{{2*2sqrt(2)-3*5sqrt(2)}}}


{{{4sqrt(2)-15sqrt(2)}}}


{{{-11sqrt(2)}}}