Question

Factorize each of the following expressions:
ax + ay − bx − by

Answer 1

$$\begin{gathered} ax+ay-bx-by \\ =(ax+ay)-(bx+by)[Groupingtheexpressions] \\ =a(x+y)-b(x+y) \\ =(a-b)(x+y)[Taking(x+y)asthecommonfactor] \end{gathered}$$