Factorise the following expressions

$4x^2-8x+3$

Factorise the following expressions using ${\left(a+b\right)}^3=a^3+3a^{2}b+3a{b}^2+b^3$ identity.

$64x^3+144x^2+108x+27$

Factorise the following expressions using ${\left(a+b\right)}^3=a^3+3a^{2}b+3a{b}^2+b^3$ identity.

$27p^3+54p^{2}q+36p{q}^2+8q^3$

Factorise the following expressions using ${\left(a-b\right)}^3=a^3-3a^{2}b+3a{b}^2-b^3$ identity.

$y^3-18y^2+108y-216$

Factorise the following expressions using ${\left(a-b\right)}^3=a^3-3a^{2}b+3a{b}^2-b^3$ identity.

$8m^3-60m^{2}n+150m{n}^2-125n^3$