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Simplifying x2 + 20x + 37 = 0 Reorder the terms: 37 + 20x + x2 = 0 Solving 37 + 20x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-37' to each side of the equation. 37 + 20x + -37 + x2 = 0 + -37 Reorder the terms: 37 + -37 + 20x + x2 = 0 + -37 Combine like terms: 37 + -37 = 0 0 + 20x + x2 = 0 + -37 20x + x2 = 0 + -37 Combine like terms: 0 + -37 = -37 20x + x2 = -37 The x term is 20x. Take half its coefficient (10). Square it (100) and add it to both sides. Add '100' to each side of the equation. 20x + 100 + x2 = -37 + 100 Reorder the terms: 100 + 20x + x2 = -37 + 100 Combine like terms: -37 + 100 = 63 100 + 20x + x2 = 63 Factor a perfect square on the left side: (x + 10)(x + 10) = 63 Calculate the square root of the right side: 7.937253933 Break this problem into two subproblems by setting (x + 10) equal to 7.937253933 and -7.937253933.Subproblem 1
x + 10 = 7.937253933 Simplifying x + 10 = 7.937253933 Reorder the terms: 10 + x = 7.937253933 Solving 10 + x = 7.937253933 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 7.937253933 + -10 Combine like terms: 10 + -10 = 0 0 + x = 7.937253933 + -10 x = 7.937253933 + -10 Combine like terms: 7.937253933 + -10 = -2.062746067 x = -2.062746067 Simplifying x = -2.062746067Subproblem 2
x + 10 = -7.937253933 Simplifying x + 10 = -7.937253933 Reorder the terms: 10 + x = -7.937253933 Solving 10 + x = -7.937253933 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = -7.937253933 + -10 Combine like terms: 10 + -10 = 0 0 + x = -7.937253933 + -10 x = -7.937253933 + -10 Combine like terms: -7.937253933 + -10 = -17.937253933 x = -17.937253933 Simplifying x = -17.937253933Solution
The solution to the problem is based on the solutions from the subproblems. x = {-2.062746067, -17.937253933}
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