Question

Внесите под знак корня:
3√2=
-4√3=
-x²√5=

Answer 1

$3 sqrt{2}= sqrt{2*3^2}=sqrt{2*9}=sqrt{18}; \ -4sqrt{3}=-sqrt{3*4^2}=-sqrt{3*16}=-sqrt{48}; \ -x^2=sqrt{5}=- sqrt{5x^{2}*x^2}=-sqrt{5x^4}$