......plzzz shiii Javab Dena.....
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hiiiiii...............
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Answer:
the ans is 14x
the correct option is d
Step-by-step explanation:
i willl show uhh
(1+7x)^2+(49x^2-1)
=(1+49x^2+14x)+(49x^2-1)
=1+49x^2+14x+49x^2-1
=98x^2+14x=0.
(solve for the factor)
=>14x(7x+1)
so one of the factor is( 14x) & another is( 7x+1)
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