Factorise 9 th Roman 2 nd question
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so this is the answer hope this will help you.Pls mark me as brainiest.Thank you
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solution for 9 (ii).
ax + a²x + aby + by - (ax+by)²
=ax(1+a) + by(a+1)-(ax+by)²
=ax(1+a) + by(1+a)-(ax+by)²
=(ax+by) (1+a) - (ax+by)²
=(ax+by)[(1+a)-(ax+by)]
=(ax+by)(1+a-ax-by)
ax + a²x + aby + by - (ax+by)²
=ax(1+a) + by(a+1)-(ax+by)²
=ax(1+a) + by(1+a)-(ax+by)²
=(ax+by) (1+a) - (ax+by)²
=(ax+by)[(1+a)-(ax+by)]
=(ax+by)(1+a-ax-by)
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