5+[x-{2y-(6x+y-4)+2x}-{x-(y-2)}]
-3x^2-2xy+8y^2+11x-8y-6
W/(W+X)>A+B=B<((W+X)/(Y-X))A
k-2x+6z=0
5x-3y-2z=30
-3x+10y-6t=0
-k-6y+14t=0
t-z=4
6851.52 divided by 13
reduce the matrix 3x square + 5y square + 3 z square minus 2 y z + 2 z x - 2xy into colic and form
the length of the diagonal of a square is 8 root 2cm. find the length of its side and also the area of the square
6851.52
$x^{2}$ - $y^{2}$ - $3x$ - $3y$
