payshencec21
payshencec21
27-05-2018
Mathematics
contestada
please help asap 50 pts
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gmany
gmany
29-05-2018
[tex]k^2+5kf-50f^2=k^2+10kf-5kf-50f^2\\\\=k(k+10f)-5f(k+10f)=(k+10f)(k-5f)\\\\\boxed{Answer:\ A.\ (k+10f)(k-5f)}[/tex]
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Аноним
Аноним
06-11-2018
id go with b honestly
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