Mathematics, 22.03.2021 04:10, nessamayjuniorp2b9yc

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 to the right side of the equation?

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Consider the steps for solving 3x^2 - 42x +9=-5 for x by completing the square. Step 1: 3x^2-42x=-14...