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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 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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Answer:147

Step-by-step explanation: so I was thinking why 146 why not 147

User Stanleyli
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