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Simplifying x2 + 3x = 35 Reorder the terms: 3x + x2 = 35 Solving 3x + x2 = 35 Solving for variable 'x'. Reorder the terms: -35 + 3x + x2 = 35 + -35 Combine like terms: 35 + -35 = 0 -35 + 3x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '35' to each side of the equation. -35 + 3x + 35 + x2 = 0 + 35 Reorder the terms: -35 + 35 + 3x + x2 = 0 + 35 Combine like terms: -35 + 35 = 0 0 + 3x + x2 = 0 + 35 3x + x2 = 0 + 35 Combine like terms: 0 + 35 = 35 3x + x2 = 35 The x term is 3x. Take half its coefficient (1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. 3x + 2.25 + x2 = 35 + 2.25 Reorder the terms: 2.25 + 3x + x2 = 35 + 2.25 Combine like terms: 35 + 2.25 = 37.25 2.25 + 3x + x2 = 37.25 Factor a perfect square on the left side: (x + 1.5)(x + 1.5) = 37.25 Calculate the square root of the right side: 6.103277808 Break this problem into two subproblems by setting (x + 1.5) equal to 6.103277808 and -6.103277808.Subproblem 1
x + 1.5 = 6.103277808 Simplifying x + 1.5 = 6.103277808 Reorder the terms: 1.5 + x = 6.103277808 Solving 1.5 + x = 6.103277808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 6.103277808 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 6.103277808 + -1.5 x = 6.103277808 + -1.5 Combine like terms: 6.103277808 + -1.5 = 4.603277808 x = 4.603277808 Simplifying x = 4.603277808Subproblem 2
x + 1.5 = -6.103277808 Simplifying x + 1.5 = -6.103277808 Reorder the terms: 1.5 + x = -6.103277808 Solving 1.5 + x = -6.103277808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -6.103277808 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -6.103277808 + -1.5 x = -6.103277808 + -1.5 Combine like terms: -6.103277808 + -1.5 = -7.603277808 x = -7.603277808 Simplifying x = -7.603277808Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.603277808, -7.603277808}
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