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Simplifying X * X + 4X = 2 Multiply X * X X2 + 4X = 2 Reorder the terms: 4X + X2 = 2 Solving 4X + X2 = 2 Solving for variable 'X'. Reorder the terms: -2 + 4X + X2 = 2 + -2 Combine like terms: 2 + -2 = 0 -2 + 4X + X2 = 0 Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + 4X + 2 + X2 = 0 + 2 Reorder the terms: -2 + 2 + 4X + X2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 4X + X2 = 0 + 2 4X + X2 = 0 + 2 Combine like terms: 0 + 2 = 2 4X + X2 = 2 The X term is 4X. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4X + 4 + X2 = 2 + 4 Reorder the terms: 4 + 4X + X2 = 2 + 4 Combine like terms: 2 + 4 = 6 4 + 4X + X2 = 6 Factor a perfect square on the left side: (X + 2)(X + 2) = 6 Calculate the square root of the right side: 2.449489743 Break this problem into two subproblems by setting (X + 2) equal to 2.449489743 and -2.449489743.Subproblem 1
X + 2 = 2.449489743 Simplifying X + 2 = 2.449489743 Reorder the terms: 2 + X = 2.449489743 Solving 2 + X = 2.449489743 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + X = 2.449489743 + -2 Combine like terms: 2 + -2 = 0 0 + X = 2.449489743 + -2 X = 2.449489743 + -2 Combine like terms: 2.449489743 + -2 = 0.449489743 X = 0.449489743 Simplifying X = 0.449489743Subproblem 2
X + 2 = -2.449489743 Simplifying X + 2 = -2.449489743 Reorder the terms: 2 + X = -2.449489743 Solving 2 + X = -2.449489743 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + X = -2.449489743 + -2 Combine like terms: 2 + -2 = 0 0 + X = -2.449489743 + -2 X = -2.449489743 + -2 Combine like terms: -2.449489743 + -2 = -4.449489743 X = -4.449489743 Simplifying X = -4.449489743Solution
The solution to the problem is based on the solutions from the subproblems. X = {0.449489743, -4.449489743}
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