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Simplifying 3x2 + 6x = 296 Reorder the terms: 6x + 3x2 = 296 Solving 6x + 3x2 = 296 Solving for variable 'x'. Reorder the terms: -296 + 6x + 3x2 = 296 + -296 Combine like terms: 296 + -296 = 0 -296 + 6x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -98.66666667 + 2x + x2 = 0 Move the constant term to the right: Add '98.66666667' to each side of the equation. -98.66666667 + 2x + 98.66666667 + x2 = 0 + 98.66666667 Reorder the terms: -98.66666667 + 98.66666667 + 2x + x2 = 0 + 98.66666667 Combine like terms: -98.66666667 + 98.66666667 = 0.00000000 0.00000000 + 2x + x2 = 0 + 98.66666667 2x + x2 = 0 + 98.66666667 Combine like terms: 0 + 98.66666667 = 98.66666667 2x + x2 = 98.66666667 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 98.66666667 + 1 Reorder the terms: 1 + 2x + x2 = 98.66666667 + 1 Combine like terms: 98.66666667 + 1 = 99.66666667 1 + 2x + x2 = 99.66666667 Factor a perfect square on the left side: (x + 1)(x + 1) = 99.66666667 Calculate the square root of the right side: 9.983319421 Break this problem into two subproblems by setting (x + 1) equal to 9.983319421 and -9.983319421.Subproblem 1
x + 1 = 9.983319421 Simplifying x + 1 = 9.983319421 Reorder the terms: 1 + x = 9.983319421 Solving 1 + x = 9.983319421 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 9.983319421 + -1 Combine like terms: 1 + -1 = 0 0 + x = 9.983319421 + -1 x = 9.983319421 + -1 Combine like terms: 9.983319421 + -1 = 8.983319421 x = 8.983319421 Simplifying x = 8.983319421Subproblem 2
x + 1 = -9.983319421 Simplifying x + 1 = -9.983319421 Reorder the terms: 1 + x = -9.983319421 Solving 1 + x = -9.983319421 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -9.983319421 + -1 Combine like terms: 1 + -1 = 0 0 + x = -9.983319421 + -1 x = -9.983319421 + -1 Combine like terms: -9.983319421 + -1 = -10.983319421 x = -10.983319421 Simplifying x = -10.983319421Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.983319421, -10.983319421}
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