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Simplifying (6x2 + 10x + 3) = 0 Reorder the terms: (3 + 10x + 6x2) = 0 Remove parenthesis around (3 + 10x + 6x2) 3 + 10x + 6x2 = 0 Solving 3 + 10x + 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'. 0.5 + 1.666666667x + x2 = 0 Move the constant term to the right: Add '-0.5' to each side of the equation. 0.5 + 1.666666667x + -0.5 + x2 = 0 + -0.5 Reorder the terms: 0.5 + -0.5 + 1.666666667x + x2 = 0 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + 1.666666667x + x2 = 0 + -0.5 1.666666667x + x2 = 0 + -0.5 Combine like terms: 0 + -0.5 = -0.5 1.666666667x + x2 = -0.5 The x term is 1.666666667x. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667x + 0.6944444447 + x2 = -0.5 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667x + x2 = -0.5 + 0.6944444447 Combine like terms: -0.5 + 0.6944444447 = 0.1944444447 0.6944444447 + 1.666666667x + x2 = 0.1944444447 Factor a perfect square on the left side: (x + 0.8333333335)(x + 0.8333333335) = 0.1944444447 Calculate the square root of the right side: 0.440958552 Break this problem into two subproblems by setting (x + 0.8333333335) equal to 0.440958552 and -0.440958552.Subproblem 1
x + 0.8333333335 = 0.440958552 Simplifying x + 0.8333333335 = 0.440958552 Reorder the terms: 0.8333333335 + x = 0.440958552 Solving 0.8333333335 + x = 0.440958552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = 0.440958552 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = 0.440958552 + -0.8333333335 x = 0.440958552 + -0.8333333335 Combine like terms: 0.440958552 + -0.8333333335 = -0.3923747815 x = -0.3923747815 Simplifying x = -0.3923747815Subproblem 2
x + 0.8333333335 = -0.440958552 Simplifying x + 0.8333333335 = -0.440958552 Reorder the terms: 0.8333333335 + x = -0.440958552 Solving 0.8333333335 + x = -0.440958552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = -0.440958552 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = -0.440958552 + -0.8333333335 x = -0.440958552 + -0.8333333335 Combine like terms: -0.440958552 + -0.8333333335 = -1.2742918855 x = -1.2742918855 Simplifying x = -1.2742918855Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.3923747815, -1.2742918855}
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