Factorise by taking out the common factors:
2x(a−b)+3y(5a−5b)+4z(2b−2a)
2x(a - b) + 3y(5a - 5b) + 4z(2b - 2a)
= 2x(a - b) + 15y(a - b) - 8z(a - b)
= (a - b)[2x + 15y - 8z]
2x(a-b) + 3y(5a -5b) + 4z(2b -2a) we have to take out the common factors
2x(a-b) + 3y(5a-5b) + 4z(2b -2a)