Expand and simplify.

$(x-5)(x-5)(x+5)$

Expand and simplify.

$(4x-1)(x+1)(3x-2)$

Expand and simplify.

$(x+4)(2x+4)(2x+4)$

Expand and simplify.

$\left(2x-3\right)\left(3x-2\right)\left(2x-1\right)$

Expand and simplify. 

${\left(3x-2\right)}^2\left(2x-1\right)$

Expand and simplify.

${\left(x+2\right)}^3$

Expand and simplify.

${\left(2x-2\right)}^3$

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$\left(x^2{y}^2+x^2\right)\left(xy+x\right)\left(xy-x\right)$

Expand and simplify.

$\left(\frac{1}{3}+\frac{x}{2}\right)\left(\frac{1}{9}-\frac{x^2}{4}\right)\left(\frac{1}{3}-\frac{x}{2}\right)$