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Mathematics, 02.09.2021 05:00, kathiewallentin1767
If using the method of completing the square to solve the quadratic equation
2c2 – 112 - 38 = 0, which number would have to be added to "complete the
square"?
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103
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If using the method of completing the square to solve the quadratic equation
2c2 – 112 - 38 = 0, w...
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