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Simplifying x2 + 60x + -55 = 0 Reorder the terms: -55 + 60x + x2 = 0 Solving -55 + 60x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '55' to each side of the equation. -55 + 60x + 55 + x2 = 0 + 55 Reorder the terms: -55 + 55 + 60x + x2 = 0 + 55 Combine like terms: -55 + 55 = 0 0 + 60x + x2 = 0 + 55 60x + x2 = 0 + 55 Combine like terms: 0 + 55 = 55 60x + x2 = 55 The x term is 60x. Take half its coefficient (30). Square it (900) and add it to both sides. Add '900' to each side of the equation. 60x + 900 + x2 = 55 + 900 Reorder the terms: 900 + 60x + x2 = 55 + 900 Combine like terms: 55 + 900 = 955 900 + 60x + x2 = 955 Factor a perfect square on the left side: (x + 30)(x + 30) = 955 Calculate the square root of the right side: 30.903074281 Break this problem into two subproblems by setting (x + 30) equal to 30.903074281 and -30.903074281.Subproblem 1
x + 30 = 30.903074281 Simplifying x + 30 = 30.903074281 Reorder the terms: 30 + x = 30.903074281 Solving 30 + x = 30.903074281 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + x = 30.903074281 + -30 Combine like terms: 30 + -30 = 0 0 + x = 30.903074281 + -30 x = 30.903074281 + -30 Combine like terms: 30.903074281 + -30 = 0.903074281 x = 0.903074281 Simplifying x = 0.903074281Subproblem 2
x + 30 = -30.903074281 Simplifying x + 30 = -30.903074281 Reorder the terms: 30 + x = -30.903074281 Solving 30 + x = -30.903074281 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + x = -30.903074281 + -30 Combine like terms: 30 + -30 = 0 0 + x = -30.903074281 + -30 x = -30.903074281 + -30 Combine like terms: -30.903074281 + -30 = -60.903074281 x = -60.903074281 Simplifying x = -60.903074281Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.903074281, -60.903074281}
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