Question

factorise3ax-6xy+8by-4ab

Answer 1

3ax-6xy+8by-4ab

3ax-6xy-4ab+8by

3x(a-2y)-4b(a-2y)

(a-2y) (3x-4b)

Answer 2

Here we go,

$3ax-6xy+8by-4ab$

$= 3x(a-2y)-4b(a-2y)$

$=(a-2y)(3x-4b)$