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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Home » Mathematics » 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