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Simplifying 4x4 + 3x3 + 5x2 = 105x2 Reorder the terms: 5x2 + 3x3 + 4x4 = 105x2 Solving 5x2 + 3x3 + 4x4 = 105x2 Solving for variable 'x'. Reorder the terms: 5x2 + -105x2 + 3x3 + 4x4 = 105x2 + -105x2 Combine like terms: 5x2 + -105x2 = -100x2 -100x2 + 3x3 + 4x4 = 105x2 + -105x2 Combine like terms: 105x2 + -105x2 = 0 -100x2 + 3x3 + 4x4 = 0 Factor out the Greatest Common Factor (GCF), 'x2'. x2(-100 + 3x + 4x2) = 0Subproblem 1
Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}Subproblem 2
Set the factor '(-100 + 3x + 4x2)' equal to zero and attempt to solve: Simplifying -100 + 3x + 4x2 = 0 Solving -100 + 3x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -25 + 0.75x + x2 = 0 Move the constant term to the right: Add '25' to each side of the equation. -25 + 0.75x + 25 + x2 = 0 + 25 Reorder the terms: -25 + 25 + 0.75x + x2 = 0 + 25 Combine like terms: -25 + 25 = 0 0 + 0.75x + x2 = 0 + 25 0.75x + x2 = 0 + 25 Combine like terms: 0 + 25 = 25 0.75x + x2 = 25 The x term is 0.75x. Take half its coefficient (0.375). Square it (0.140625) and add it to both sides. Add '0.140625' to each side of the equation. 0.75x + 0.140625 + x2 = 25 + 0.140625 Reorder the terms: 0.140625 + 0.75x + x2 = 25 + 0.140625 Combine like terms: 25 + 0.140625 = 25.140625 0.140625 + 0.75x + x2 = 25.140625 Factor a perfect square on the left side: (x + 0.375)(x + 0.375) = 25.140625 Calculate the square root of the right side: 5.01404278 Break this problem into two subproblems by setting (x + 0.375) equal to 5.01404278 and -5.01404278.Subproblem 1
x + 0.375 = 5.01404278 Simplifying x + 0.375 = 5.01404278 Reorder the terms: 0.375 + x = 5.01404278 Solving 0.375 + x = 5.01404278 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = 5.01404278 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = 5.01404278 + -0.375 x = 5.01404278 + -0.375 Combine like terms: 5.01404278 + -0.375 = 4.63904278 x = 4.63904278 Simplifying x = 4.63904278Subproblem 2
x + 0.375 = -5.01404278 Simplifying x + 0.375 = -5.01404278 Reorder the terms: 0.375 + x = -5.01404278 Solving 0.375 + x = -5.01404278 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = -5.01404278 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = -5.01404278 + -0.375 x = -5.01404278 + -0.375 Combine like terms: -5.01404278 + -0.375 = -5.38904278 x = -5.38904278 Simplifying x = -5.38904278Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.63904278, -5.38904278}Solution
x = {0, 4.63904278, -5.38904278}
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