Question

find the product of( a+2b)(a+4b)

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Answer 1

Answer:

12ab

Step-by-step explanation:

a+2b×a+4b

a+a×2b+4b

2a×6b

12ab

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Answer 2

Answer:

$a(a + 4b) + 2b(a + 4b) \\ \\ = {a}^{2} + 4ab + 2ba + {8b}^{2} = {a}^{2} + 6ab + {8b}^{2}$