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They are +/- 5*sqrt(2)
79 + k = 84 84 - 79 = k k = 5
Using the discriminant for a quadratic equation the value of k works out as plus or minus 12.
k2 + 3k =108k2 + 3k - 108 = 0(k - 9) (k + 12)k = -9 , k = 12ANSWER:k = -9 , k = 12I hope this helps!
k = 0.1