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Mathematics, 21.02.2020 07:19 Korey5672
Use completing the square to solve for x in the equation (x + 7) (x minus 9) = 25.
x = –4 or 6
x = –2 or 14
x = 1 plus-or-minus StartRoot 89 EndRoot
x = 1 plus-or-minus StartRoot 87 EndRoot
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You know the right answer?
Use completing the square to solve for x in the equation (x + 7) (x minus 9) = 25.
x = –4 or 6...
x = –4 or 6...
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