12ab + 16ab^2 + 20^a2b^2
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Answer:
12a2b+15ab2
12a2b=2⋅2⋅3⋅a⋅a⋅b
15ab2=3⋅5⋅a⋅b⋅b
⇒12a2b+15ab2
=2⋅2⋅3⋅a⋅a⋅b+3⋅5⋅a⋅b⋅b
=3ab[2⋅2⋅a+5b]
=3ab[4a+5b]
Step-by-step explanation:
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