Consider the steps for solving 3x^2 - 42x + 9 = -5 for x by completing the square. step 1) 3x^2 - 42x = -14 step 2) 3(x^2 - 14x) = -14 step 3) 3(x^2 - 14x + 49) = -14 + ___ What number should be added - QAmmunity.org

Consider the steps for solving 3x^2 - 42x + 9 = -5 for x by completing the square. step 1) 3x^2 - 42x = -14 step 2) 3(x^2 - 14x) = -14 step 3) 3(x^2 - 14x + 49) = -14 + ___ What number should be added

asked Apr 14, 2018 235k views

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