Factorisation using identities
Last updated at Feb. 13, 2025 by Teachoo
Ex 12.2, 1 Factorise the following expressions. (i) 𝑎^2 + 8a + 16a^2 + 8a + 16 =〖 𝑎〗^2 + 8a + 4^2 =〖 𝒂〗^𝟐 + (2 × a × 4) + 𝟒^𝟐 = 〖 𝑎〗^2 + 4^2 + (2 × a × 4) = 〖(𝒂+𝟒)〗^𝟐