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Mathematics, 17.11.2019 11:31, HelenKellerwasaSlutt
The first three steps for solving the quadratic equation by completing the square are shown. fill in the missing number in the
last step
9x2 +54x = 7
9(x2 + 6x) = 7
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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The first three steps for solving the quadratic equation by completing the square are shown. fill in...
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