Factorise : 7b2 - 8b +1
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Answered by
6
7b^2-8b+1=0
7b^2-7b-b+1=0
7b(b-1)-1(b-1)=0
(7b-1)(b-1)=0
Answered by
6
7b² - 8b + 1
=> 7b² - 7b - b + 1
=> 7b(b-1) -1(b-1)
=> (7b-1)(b-1)
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