Factorise a2+4ab+3b2
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a2 + ab+3ab+3b2
a (a+b)+3b (a+b)
(a+3b)(a+b)
a (a+b)+3b (a+b)
(a+3b)(a+b)
Answered by
1
Answer:
(a+b) (a+3b)
Step-by-step explanation:
a²+4ab+3b²
a²+ab+3ab+3b²
a(a+b)+3b(a+b)
(a+b) (a+3b)
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