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Kruka [31]
3 years ago
8

Please help asap 50 pts

Mathematics
2 answers:
andrey2020 [161]3 years ago
8 0

id go with b honestly

drek231 [11]3 years ago
4 0
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)}
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