2x^2(2-x)-x(x^2-5)=

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Solution for 2x^2(2-x)-x(x^2-5)= equation:


Simplifying
2x2(2 + -1x) + -1x(x2 + -5) = 0
(2 * 2x2 + -1x * 2x2) + -1x(x2 + -5) = 0
(4x2 + -2x3) + -1x(x2 + -5) = 0

Reorder the terms:
4x2 + -2x3 + -1x(-5 + x2) = 0
4x2 + -2x3 + (-5 * -1x + x2 * -1x) = 0
4x2 + -2x3 + (5x + -1x3) = 0

Reorder the terms:
5x + 4x2 + -2x3 + -1x3 = 0

Combine like terms: -2x3 + -1x3 = -3x3
5x + 4x2 + -3x3 = 0

Solving
5x + 4x2 + -3x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(5 + 4x + -3x2) = 0

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 = 0

Subproblem 2

Set the factor '(5 + 4x + -3x2)' equal to zero and attempt to solve: Simplifying 5 + 4x + -3x2 = 0 Solving 5 + 4x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -1.666666667 + -1.333333333x + x2 = 0 Move the constant term to the right: Add '1.666666667' to each side of the equation. -1.666666667 + -1.333333333x + 1.666666667 + x2 = 0 + 1.666666667 Reorder the terms: -1.666666667 + 1.666666667 + -1.333333333x + x2 = 0 + 1.666666667 Combine like terms: -1.666666667 + 1.666666667 = 0.000000000 0.000000000 + -1.333333333x + x2 = 0 + 1.666666667 -1.333333333x + x2 = 0 + 1.666666667 Combine like terms: 0 + 1.666666667 = 1.666666667 -1.333333333x + x2 = 1.666666667 The x term is -1.333333333x. Take half its coefficient (-0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. -1.333333333x + 0.4444444442 + x2 = 1.666666667 + 0.4444444442 Reorder the terms: 0.4444444442 + -1.333333333x + x2 = 1.666666667 + 0.4444444442 Combine like terms: 1.666666667 + 0.4444444442 = 2.1111111112 0.4444444442 + -1.333333333x + x2 = 2.1111111112 Factor a perfect square on the left side: (x + -0.6666666665)(x + -0.6666666665) = 2.1111111112 Calculate the square root of the right side: 1.452966315 Break this problem into two subproblems by setting (x + -0.6666666665) equal to 1.452966315 and -1.452966315.

Subproblem 1

x + -0.6666666665 = 1.452966315 Simplifying x + -0.6666666665 = 1.452966315 Reorder the terms: -0.6666666665 + x = 1.452966315 Solving -0.6666666665 + x = 1.452966315 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = 1.452966315 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = 1.452966315 + 0.6666666665 x = 1.452966315 + 0.6666666665 Combine like terms: 1.452966315 + 0.6666666665 = 2.1196329815 x = 2.1196329815 Simplifying x = 2.1196329815

Subproblem 2

x + -0.6666666665 = -1.452966315 Simplifying x + -0.6666666665 = -1.452966315 Reorder the terms: -0.6666666665 + x = -1.452966315 Solving -0.6666666665 + x = -1.452966315 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = -1.452966315 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = -1.452966315 + 0.6666666665 x = -1.452966315 + 0.6666666665 Combine like terms: -1.452966315 + 0.6666666665 = -0.7862996485 x = -0.7862996485 Simplifying x = -0.7862996485

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.1196329815, -0.7862996485}

Solution

x = {0, 2.1196329815, -0.7862996485}

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