plz solve this urgently que no. 14
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D=b²-4ac
0 =(-2k)²-4×(7k-12)
0= 4k²-28k+48
k²-7k+12=0
k²-4k-3k+12=0
k(k-4)-3(k-4)=o
(k-3)(k-4)=0
k=3, k=4
0 =(-2k)²-4×(7k-12)
0= 4k²-28k+48
k²-7k+12=0
k²-4k-3k+12=0
k(k-4)-3(k-4)=o
(k-3)(k-4)=0
k=3, k=4
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