If one zero of the quadratic polynomials (k2 +k) x2 +68x2 +6k is reciprocal of the other, find k
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[k2+k]*2+68*2+6k
3k*2+136+6k
6k+136+6k
136-6k+6k
136
3k*2+136+6k
6k+136+6k
136-6k+6k
136
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