Verified answer

Ответ:

((6x+5)'(4-3x)-(6x+5)*(4-3x)')/(4-3x)^2=

=(6(4-3x)-(6x+5)(-3))/(4-3x)^2=

=(24-18x+18x-15)/(4-3x)^2=

=9/(4-3x)^2

((x+2)'√x-(√x)'(x+2))/x=(√x-(x+2)/2√x)/x=(2x-x-2)/x√x=

=(x-2)/x√x