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Question
Factorise the following expression.
a2b + a2c + ab + ac + b2c + c2b
Solution
We have,
a2b + a2c + ab + ac + b2c + c2b
= (a2b + ab + b2c) + (a2c + ac + c2b)
= b(a2 + a + bc) + c(a2 + a + bc)
= (a2 + a + bc)(b + c)
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