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2k2+7k-4-0 (answer)

if its solving by completing the square 1: 2k2+7k-4=0 ———————         2 2: k2+7k⁄2 -2=0  carry over the -2 to the opposite side =   k2+7k/2=2 make a perfect square trinomial  : k2+7k/2+49/16= 2+49/16 now...