(a)[2]
Factorise completely the expression $5 - 20t^2$.
(b)[2]
Factorise completely the expression $3y^2 - 2xy - 6x + 9y$.
Mathematics 4024 · O Level · Algebraic manipulation
Factorise completely the expression $5 - 20t^2$.
Factorise completely the expression $3y^2 - 2xy - 6x + 9y$.