What is the sum of all possible values of k for which is the square of a binomial?

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What is the sum of all possible values of k for which $x^2 + kx - 9x + 25$ is the square of a binomial?

Guest Jun 15, 2021

ElectricPavlov · Answer 1 · 2021-06-15T09:01:44

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What is the sum of all possible values of k for which ​ is the square of a binomial?