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Simplifying 10x2 + -19x + 2 = 0 Reorder the terms: 2 + -19x + 10x2 = 0 Solving 2 + -19x + 10x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 10 the coefficient of the squared term: Divide each side by '10'. 0.2 + -1.9x + x2 = 0 Move the constant term to the right: Add '-0.2' to each side of the equation. 0.2 + -1.9x + -0.2 + x2 = 0 + -0.2 Reorder the terms: 0.2 + -0.2 + -1.9x + x2 = 0 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + -1.9x + x2 = 0 + -0.2 -1.9x + x2 = 0 + -0.2 Combine like terms: 0 + -0.2 = -0.2 -1.9x + x2 = -0.2 The x term is -1.9x. Take half its coefficient (-0.95). Square it (0.9025) and add it to both sides. Add '0.9025' to each side of the equation. -1.9x + 0.9025 + x2 = -0.2 + 0.9025 Reorder the terms: 0.9025 + -1.9x + x2 = -0.2 + 0.9025 Combine like terms: -0.2 + 0.9025 = 0.7025 0.9025 + -1.9x + x2 = 0.7025 Factor a perfect square on the left side: (x + -0.95)(x + -0.95) = 0.7025 Calculate the square root of the right side: 0.838152731 Break this problem into two subproblems by setting (x + -0.95) equal to 0.838152731 and -0.838152731.Subproblem 1
x + -0.95 = 0.838152731 Simplifying x + -0.95 = 0.838152731 Reorder the terms: -0.95 + x = 0.838152731 Solving -0.95 + x = 0.838152731 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.95' to each side of the equation. -0.95 + 0.95 + x = 0.838152731 + 0.95 Combine like terms: -0.95 + 0.95 = 0.00 0.00 + x = 0.838152731 + 0.95 x = 0.838152731 + 0.95 Combine like terms: 0.838152731 + 0.95 = 1.788152731 x = 1.788152731 Simplifying x = 1.788152731Subproblem 2
x + -0.95 = -0.838152731 Simplifying x + -0.95 = -0.838152731 Reorder the terms: -0.95 + x = -0.838152731 Solving -0.95 + x = -0.838152731 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.95' to each side of the equation. -0.95 + 0.95 + x = -0.838152731 + 0.95 Combine like terms: -0.95 + 0.95 = 0.00 0.00 + x = -0.838152731 + 0.95 x = -0.838152731 + 0.95 Combine like terms: -0.838152731 + 0.95 = 0.111847269 x = 0.111847269 Simplifying x = 0.111847269Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.788152731, 0.111847269}
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