Factorise the following expressions: 9x^2 – y^2 + 4y – 4

(i) 9x² – y² + 4y – 4
(ii) 4a² – 4b² + 4a + 1

Solution:

(i) 625 – p⁴
(ii) 5y⁵ – 405y

Solution:

(i) x⁴ – y⁴ + x² – y²
(ii) 64a² – 9b² + 42bc – 49c²

Solution:

More Solutions:

• Factorise the following polynomials: 8xy^3 + 12x^2y^2
• Factorise the following polynomials: 18p^2q^2 – 24pq^2 + 30p^2q
• Factorise the following polynomials: x^2 + xy – x – y
• Factorise the following polynomials: 6xy^2 – 3xy – 10y + 5
• Factorise the following polynomials: 5ph – 10qk + 2rph – 4qrk