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Simplifying 16x2 + -151x + 88 = 0 Reorder the terms: 88 + -151x + 16x2 = 0 Solving 88 + -151x + 16x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 5.5 + -9.4375x + x2 = 0 Move the constant term to the right: Add '-5.5' to each side of the equation. 5.5 + -9.4375x + -5.5 + x2 = 0 + -5.5 Reorder the terms: 5.5 + -5.5 + -9.4375x + x2 = 0 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + -9.4375x + x2 = 0 + -5.5 -9.4375x + x2 = 0 + -5.5 Combine like terms: 0 + -5.5 = -5.5 -9.4375x + x2 = -5.5 The x term is -9.4375x. Take half its coefficient (-4.71875). Square it (22.26660156) and add it to both sides. Add '22.26660156' to each side of the equation. -9.4375x + 22.26660156 + x2 = -5.5 + 22.26660156 Reorder the terms: 22.26660156 + -9.4375x + x2 = -5.5 + 22.26660156 Combine like terms: -5.5 + 22.26660156 = 16.76660156 22.26660156 + -9.4375x + x2 = 16.76660156 Factor a perfect square on the left side: (x + -4.71875)(x + -4.71875) = 16.76660156 Calculate the square root of the right side: 4.094704087 Break this problem into two subproblems by setting (x + -4.71875) equal to 4.094704087 and -4.094704087.Subproblem 1
x + -4.71875 = 4.094704087 Simplifying x + -4.71875 = 4.094704087 Reorder the terms: -4.71875 + x = 4.094704087 Solving -4.71875 + x = 4.094704087 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.71875' to each side of the equation. -4.71875 + 4.71875 + x = 4.094704087 + 4.71875 Combine like terms: -4.71875 + 4.71875 = 0.00000 0.00000 + x = 4.094704087 + 4.71875 x = 4.094704087 + 4.71875 Combine like terms: 4.094704087 + 4.71875 = 8.813454087 x = 8.813454087 Simplifying x = 8.813454087Subproblem 2
x + -4.71875 = -4.094704087 Simplifying x + -4.71875 = -4.094704087 Reorder the terms: -4.71875 + x = -4.094704087 Solving -4.71875 + x = -4.094704087 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.71875' to each side of the equation. -4.71875 + 4.71875 + x = -4.094704087 + 4.71875 Combine like terms: -4.71875 + 4.71875 = 0.00000 0.00000 + x = -4.094704087 + 4.71875 x = -4.094704087 + 4.71875 Combine like terms: -4.094704087 + 4.71875 = 0.624045913 x = 0.624045913 Simplifying x = 0.624045913Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.813454087, 0.624045913}
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