alleryStart learning →Factorise a(x−y)+b(y−x), accounting for the reversed difference.
A(a+b)(x+y)
B(a−b)(x−y)
C(a+b)(x−y)
D(a−b)(x+y)
Answer & Solution
Correct answer: B. (a−b)(x−y)
Since y − x = −(x − y), the expression becomes a(x − y) − b(x − y).
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