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Simplifying -16x2 + 27x + 6 = 0 Reorder the terms: 6 + 27x + -16x2 = 0 Solving 6 + 27x + -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'. -0.375 + -1.6875x + x2 = 0 Move the constant term to the right: Add '0.375' to each side of the equation. -0.375 + -1.6875x + 0.375 + x2 = 0 + 0.375 Reorder the terms: -0.375 + 0.375 + -1.6875x + x2 = 0 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + -1.6875x + x2 = 0 + 0.375 -1.6875x + x2 = 0 + 0.375 Combine like terms: 0 + 0.375 = 0.375 -1.6875x + x2 = 0.375 The x term is -1.6875x. Take half its coefficient (-0.84375). Square it (0.7119140625) and add it to both sides. Add '0.7119140625' to each side of the equation. -1.6875x + 0.7119140625 + x2 = 0.375 + 0.7119140625 Reorder the terms: 0.7119140625 + -1.6875x + x2 = 0.375 + 0.7119140625 Combine like terms: 0.375 + 0.7119140625 = 1.0869140625 0.7119140625 + -1.6875x + x2 = 1.0869140625 Factor a perfect square on the left side: (x + -0.84375)(x + -0.84375) = 1.0869140625 Calculate the square root of the right side: 1.042551707 Break this problem into two subproblems by setting (x + -0.84375) equal to 1.042551707 and -1.042551707.Subproblem 1
x + -0.84375 = 1.042551707 Simplifying x + -0.84375 = 1.042551707 Reorder the terms: -0.84375 + x = 1.042551707 Solving -0.84375 + x = 1.042551707 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.84375' to each side of the equation. -0.84375 + 0.84375 + x = 1.042551707 + 0.84375 Combine like terms: -0.84375 + 0.84375 = 0.00000 0.00000 + x = 1.042551707 + 0.84375 x = 1.042551707 + 0.84375 Combine like terms: 1.042551707 + 0.84375 = 1.886301707 x = 1.886301707 Simplifying x = 1.886301707Subproblem 2
x + -0.84375 = -1.042551707 Simplifying x + -0.84375 = -1.042551707 Reorder the terms: -0.84375 + x = -1.042551707 Solving -0.84375 + x = -1.042551707 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.84375' to each side of the equation. -0.84375 + 0.84375 + x = -1.042551707 + 0.84375 Combine like terms: -0.84375 + 0.84375 = 0.00000 0.00000 + x = -1.042551707 + 0.84375 x = -1.042551707 + 0.84375 Combine like terms: -1.042551707 + 0.84375 = -0.198801707 x = -0.198801707 Simplifying x = -0.198801707Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.886301707, -0.198801707}
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