Mathematics, 20.04.2020 19:57 donmak3833
Which are steps that could be used to solve 0 = 9(x2 + 6x) – 18 by completing the square? Check all that apply.
18 + 81 = 9(x2 + 6x + 9)
18 + 9 = 9(x2 + 6x + 9)
18 + 36 = 9(22 + 6x + 36)
11 = (x + 3)2
07342 = (x + 6)2
199 = (x + 3)2
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Which are steps that could be used to solve 0 = 9(x2 + 6x) – 18 by completing the square? Check all...
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