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Simplifying 10x3 + 8x2 + -6x = 0 Reorder the terms: -6x + 8x2 + 10x3 = 0 Solving -6x + 8x2 + 10x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2x'. 2x(-3 + 4x + 5x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(-3 + 4x + 5x2)' equal to zero and attempt to solve: Simplifying -3 + 4x + 5x2 = 0 Solving -3 + 4x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -0.6 + 0.8x + x2 = 0 Move the constant term to the right: Add '0.6' to each side of the equation. -0.6 + 0.8x + 0.6 + x2 = 0 + 0.6 Reorder the terms: -0.6 + 0.6 + 0.8x + x2 = 0 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + 0.8x + x2 = 0 + 0.6 0.8x + x2 = 0 + 0.6 Combine like terms: 0 + 0.6 = 0.6 0.8x + x2 = 0.6 The x term is 0.8x. Take half its coefficient (0.4). Square it (0.16) and add it to both sides. Add '0.16' to each side of the equation. 0.8x + 0.16 + x2 = 0.6 + 0.16 Reorder the terms: 0.16 + 0.8x + x2 = 0.6 + 0.16 Combine like terms: 0.6 + 0.16 = 0.76 0.16 + 0.8x + x2 = 0.76 Factor a perfect square on the left side: (x + 0.4)(x + 0.4) = 0.76 Calculate the square root of the right side: 0.871779789 Break this problem into two subproblems by setting (x + 0.4) equal to 0.871779789 and -0.871779789.Subproblem 1
x + 0.4 = 0.871779789 Simplifying x + 0.4 = 0.871779789 Reorder the terms: 0.4 + x = 0.871779789 Solving 0.4 + x = 0.871779789 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4' to each side of the equation. 0.4 + -0.4 + x = 0.871779789 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + x = 0.871779789 + -0.4 x = 0.871779789 + -0.4 Combine like terms: 0.871779789 + -0.4 = 0.471779789 x = 0.471779789 Simplifying x = 0.471779789Subproblem 2
x + 0.4 = -0.871779789 Simplifying x + 0.4 = -0.871779789 Reorder the terms: 0.4 + x = -0.871779789 Solving 0.4 + x = -0.871779789 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4' to each side of the equation. 0.4 + -0.4 + x = -0.871779789 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + x = -0.871779789 + -0.4 x = -0.871779789 + -0.4 Combine like terms: -0.871779789 + -0.4 = -1.271779789 x = -1.271779789 Simplifying x = -1.271779789Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.471779789, -1.271779789}Solution
x = {0, 0.471779789, -1.271779789}
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