Workout the following division: `9x^2y^2(3z-24):-27xy(z-8)`

Workout the following division: (10x-25):-5

Workout the following division: 10y(6y+21):-5(2y+7)

Workout the following division: (10x-25):-(2x-5)

Carry out the following divisions: 34x^3y^3z^3 :- 51xy^2z^3

Factorise the following : 27x^3+y^3+z^3-9xyz

Find the angle between the following pairs of lines : (x-2)/2=(y-1)/5=(z+3)/(-3) " and " (x+2)/(-1)=(y-4)/8=(z-5)/4 .

Solve the following linear equations. 3(5z-7)-2(9z-11)=4(8z-13)-17

Find the values of x,y and z in the following matrixies : [(x+y,2),(5+z,xy)]=[(5,2),(5,8)] .

Find the angle between the following pairs of lines : x/2=y/2=z/1 " and " (z-5)/4=(y-2)/1=(z-3)/8 .

Find the value of x, y and z from the following equations: (i) [(4,3),(x,5)]=[(y,z),(1,5)] (ii) [(x+y, 2 ),(5+z, xy)]=[(6,2),(5,8)] (iii) [(x+y+z),(x+z), (y+z)]=[(9),(5),(7)]