M L Aggarwal Solutions for Chapter: Polynomials, Exercise 7: Exercise 2.7

Factorise the following:

$x^2+\frac{1}{x^2}+2-2x-\frac{2}{x}$

Using proper identities, factorise the following:

$\frac{1}{64x^3}-8y^3-\frac{3}{8}{x}^{2}y+3x{y}^2$

Using proper identities, factorise the following:

$64m^3-343n^3$

Using proper identities, factorise the following:

$1+64x^3$

Using proper identities, factorise the following:

$250x^3-432y^3$

Using proper identity, factorise the following:

$a^7+a{b}^6$

Using proper identity, factorise the following:

$27x^3+y^3+z^3-9xyz$

Using proper identities, factorise the following:

$a^3-8b^3-64c^3-24abc$