Question 751341
{{{10*sqrt(1/5) - sqrt(45) - 12*sqrt(5/9)}}}
:
Try to extract square roots to end up with like terms, square root of 5:
:
{{{sqrt(100/5) - sqrt(9*5) - (1/3)*12*sqrt(5)}}}
:
{{{sqrt(20) - 3*sqrt(5) - 4*sqrt(5)}}}
:
{{{sqrt(4*5) - 3*sqrt(5) - 4*sqrt(5)}}}
:
{{{2*sqrt(5) - 3*sqrt(5) - 4*sqrt(5)}}}
:
{{{-5*sqrt(5)}}}