Simplify each of the following: `2x-{5y-(x-2y)}` `2x-[3y-{2x-(y-x)}]`

Simplify the following:- w+[x-(y+z)]+5-[3-(x-2)]

5.Simplify : 2x-[3y-{2x-(y-x)}]

Simplify each of the following: (4x+2y)^(2)+(4x-2y)^(2)(4x+2y)^(3)-(4x-2y)^(2)

Simplify each of the following expressions: x^(2)(1-3y^(2))+x(xy^(2)-2x)-3y(y-4x^(2)y)

Assuming that x,y,z are positive real numbers,simplify each of the following: (sqrt(x^(-3)))^(5) (ii) sqrt(x^(3)y^(-2))( iii) (x^(-(2)/(3))y^(-(1)/(2)))^(2)

Simplify the following : 2x^(2)+3y^(2)-5xy+5x^(2)-y^(2)+6xy-3x^(2)

Expand each of the following (i) (2x+5y)^(2) (ii) (x-3y)^(2) (iii) (x+5)(x-3)

simplify: 3x - [3y - {2x - (y - x)}]

Find the each of the following products: (2x^(2) - 5y^(2))(x^(2) + 3y^(2))

Find each of the following products: (i) (x - 4)(x - 4) (ii) (2x - 3y)(2x - 3y) (iii) ((3)/(4) x - (5)/(6) y) ((3)/(4)x - (5)/(6) y) (iv) (x - (3)/(x)) (x - (3)/(x)) (v) ((1)/(3) x^(2) - 9) ((1)/(3) x^(2) - 9) (vi) ((1)/(2) y^(2) - (1)/(3) y) ((1)/(2) y^(2) - (1)/(3) y)