Question

Factorise a²+ ab+3b+ab.​

Answer 1

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${a}^{2} + ab \: + 3b \: + ab \\ ( {a}^{2} + ab \: )+ (3b \: + ab) \\ a(a \: + b) + b(3 + a) \\ (a + b)(a + b)(3 + a)$

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Answer 2

Answer:

(a + b) ( a+ b) ( a + 3 )

Step-by-step explanation:

= a2 + ab +3b + ab

= a (a + b) + 3(a +b)

= (a + b) ( a + b) (a + 3)