Factorise:

3ac + 7bc – 3ad – 7bd

1

Resolve in to factors:

(i) x² + xy

(ii) 3x² – 6x

(iii) (1.6)a² – (0.8)a

(iv) 5 – 10m – 20n

2

Factorise:

a² + ax + ab + bx

2

Factorise:

3xy – 6zy – 3xt + 6zt

2

Factorise:

y³ – 3y² + 2y – 6 – xy + 3x