Simplify the following
`9x-[8-(3-7x)-3[5x-3(4-2x)}]`

Simplify the following 4x-[3x-(1-5x)-6[8-3(2x+7)]]

Simplify the following 4x-(3x+3)-[2x-4[x+3(x-5)}]

Simplify the following (2x - 3y ) (4x - 5y)

Simplify the following : 5x^(4) - 7x^(2) +8x - 1 +3x^(2) - 9x^(2) + 7 - 3x^(4)+11x - 2 +8x^(2)

Simplify the following: 7x^3+8y^3-(4x+3y)(16 x^2-12 x y+9y^2)

Simplify the following : 3xy^(2) - 5x^(2)y + 7xy - 9xy^(2) - 4xy + 6x^(2)y

Simplify each of the following: (i) 7x^3y+9y x^3 (ii) 12 a^2b+3b a^2

Simplify using following identiy: (a +- b) (a^(2) ab + b^(2)) = a^(3) +- b^(3) (3x- (5)/(x)) (9x^(2) + 15+ (25)/(x^(2)))

Evaluate the following: lim_(xto1/3)(3x^2+5x-2)/(9x^2-1)

Simplify : (7x - 8)(3x + 2)