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Simplifying 6x2 + -17x + -19 = 0 Reorder the terms: -19 + -17x + 6x2 = 0 Solving -19 + -17x + 6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -3.166666667 + -2.833333333x + x2 = 0 Move the constant term to the right: Add '3.166666667' to each side of the equation. -3.166666667 + -2.833333333x + 3.166666667 + x2 = 0 + 3.166666667 Reorder the terms: -3.166666667 + 3.166666667 + -2.833333333x + x2 = 0 + 3.166666667 Combine like terms: -3.166666667 + 3.166666667 = 0.000000000 0.000000000 + -2.833333333x + x2 = 0 + 3.166666667 -2.833333333x + x2 = 0 + 3.166666667 Combine like terms: 0 + 3.166666667 = 3.166666667 -2.833333333x + x2 = 3.166666667 The x term is -2.833333333x. Take half its coefficient (-1.416666667). Square it (2.006944445) and add it to both sides. Add '2.006944445' to each side of the equation. -2.833333333x + 2.006944445 + x2 = 3.166666667 + 2.006944445 Reorder the terms: 2.006944445 + -2.833333333x + x2 = 3.166666667 + 2.006944445 Combine like terms: 3.166666667 + 2.006944445 = 5.173611112 2.006944445 + -2.833333333x + x2 = 5.173611112 Factor a perfect square on the left side: (x + -1.416666667)(x + -1.416666667) = 5.173611112 Calculate the square root of the right side: 2.274557344 Break this problem into two subproblems by setting (x + -1.416666667) equal to 2.274557344 and -2.274557344.Subproblem 1
x + -1.416666667 = 2.274557344 Simplifying x + -1.416666667 = 2.274557344 Reorder the terms: -1.416666667 + x = 2.274557344 Solving -1.416666667 + x = 2.274557344 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.416666667' to each side of the equation. -1.416666667 + 1.416666667 + x = 2.274557344 + 1.416666667 Combine like terms: -1.416666667 + 1.416666667 = 0.000000000 0.000000000 + x = 2.274557344 + 1.416666667 x = 2.274557344 + 1.416666667 Combine like terms: 2.274557344 + 1.416666667 = 3.691224011 x = 3.691224011 Simplifying x = 3.691224011Subproblem 2
x + -1.416666667 = -2.274557344 Simplifying x + -1.416666667 = -2.274557344 Reorder the terms: -1.416666667 + x = -2.274557344 Solving -1.416666667 + x = -2.274557344 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.416666667' to each side of the equation. -1.416666667 + 1.416666667 + x = -2.274557344 + 1.416666667 Combine like terms: -1.416666667 + 1.416666667 = 0.000000000 0.000000000 + x = -2.274557344 + 1.416666667 x = -2.274557344 + 1.416666667 Combine like terms: -2.274557344 + 1.416666667 = -0.857890677 x = -0.857890677 Simplifying x = -0.857890677Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.691224011, -0.857890677}
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