Simplify `(x^2-5)(x+5)+25`

Simplify (2x+5)^2-(2x-5)^2

Simplify. (i) (x^2-5) (x+5)+25 (ii) (a^2+5) (b^3+3)+5 (iii) (t+s^2) (t^2-s) (iv) (a+b)(c-d)+(9a-b)(c+d)+2(ac+bd) (v) (x+y)(2x+y)+(x+2y)+(x+2y)(x-y) (vi) (x+y)(x^2-xy+y^2) (vii) (1.5x-4y)(1.5x+4y+3)-4.5x+12y (viii) (a+b+c)(a+b-c)

Simplify: (2x^2+3x-5)(3x^2-5x+4)

Simplify: (9x -7)(2x - 5) - (3x - 8)(5x -3)

Simplify: (2x^(2)+3x-5)(3x^(2)-5x+4)

Simplify: (x^2-3x+2)(5x-2)-\ (3x^2+4x-5)\ (2x-1)

Simplify: (5x -3)(x +4) - (2x +5)(3x - 4)

Simplify : (4x - 5y)(5x - 4y)

Simplify : (10x)/(5+x)