Question
Factorize of the following expressions: $ax + ay - bx - by$
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Answer
$ax + ay - bx - by$
$= (ax + ay) - (bx + by)$
$= a(x + y) - b(x + y)$
$= (a - b)(x + y) [$taking $(x + y)$ as the common factor$]$
$= (ax + ay) - (bx + by)$
$= a(x + y) - b(x + y)$
$= (a - b)(x + y) [$taking $(x + y)$ as the common factor$]$
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