What real number that should be added to the polynomial f(x) = 81x2 - 31, so that it is exactly d...
What real number that should be added to the polynomial f(x) = 81x2 - 31, so that it is exactly divisible by 9x + 1?
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What real number that should be added to the polynomial f(x) = 81x2 - 31, so that it is exactly divisible by 9x + 1?
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