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18-11-2016
Mathematics

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help me factor this pls!!
49a^2−14a+1

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workhard1 workhard1

18-11-2016

49a^2+14a+1
49a^2+7a+7a+1
7a(7a+1)+1(7a+1)
(7a+1)(7a+1)
= (7a+1)^2

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18-11-2016

You would multiply 49 by 1. After that you try to find the factors that would add to be -14 and multiply 1.
(49a-7)(49a-7)
Simplified:
(7a-1)(7a-1)

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