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Use completing the square to solve for x in the equation (x minus 12) (x + 4) = 9.
x = –1 or 15
x = 1 or 7
x = 4 plus-or-minus StartRoot 41 EndRoot
x = 4 plus-or-minus StartRoot 73 EndRoot

Use completing the square to solve for x in the equation x minus 12 x 4 9 x 1 or 15 x 1 or 7 x 4 plusorminus StartRoot 41 EndRoot x 4 plusorminus StartRoot 73 E class=


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