x(-x)=x^2(-x)10(-x)-3

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Solution for x(-x)=x^2(-x)10(-x)-3 equation:


Simplifying
x(-1x) = x2(-1x) * 10(-1x) + -3

Remove parenthesis around (-1x)
x * -1x = x2(-1x) * 10(-1x) + -3

Reorder the terms for easier multiplication:
-1x * x = x2(-1x) * 10(-1x) + -3

Multiply x * x
-1x2 = x2(-1x) * 10(-1x) + -3

Remove parenthesis around (-1x)
-1x2 = x2 * -1x * 10(-1x) + -3

Remove parenthesis around (-1x)
-1x2 = x2 * -1x * 10 * -1x + -3

Reorder the terms for easier multiplication:
-1x2 = -1 * 10 * -1x2 * x * x + -3

Multiply -1 * 10
-1x2 = -10 * -1x2 * x * x + -3

Multiply -10 * -1
-1x2 = 10x2 * x * x + -3

Multiply x2 * x
-1x2 = 10x3 * x + -3

Multiply x3 * x
-1x2 = 10x4 + -3

Reorder the terms:
-1x2 = -3 + 10x4

Solving
-1x2 = -3 + 10x4

Solving for variable 'x'.

Reorder the terms:
3 + -1x2 + -10x4 = -3 + 10x4 + 3 + -10x4

Reorder the terms:
3 + -1x2 + -10x4 = -3 + 3 + 10x4 + -10x4

Combine like terms: -3 + 3 = 0
3 + -1x2 + -10x4 = 0 + 10x4 + -10x4
3 + -1x2 + -10x4 = 10x4 + -10x4

Combine like terms: 10x4 + -10x4 = 0
3 + -1x2 + -10x4 = 0

Factor a trinomial.
(1 + -2x2)(3 + 5x2) = 0

Subproblem 1

Set the factor '(1 + -2x2)' equal to zero and attempt to solve: Simplifying 1 + -2x2 = 0 Solving 1 + -2x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x2 = 0 + -1 -2x2 = 0 + -1 Combine like terms: 0 + -1 = -1 -2x2 = -1 Divide each side by '-2'. x2 = 0.5 Simplifying x2 = 0.5 Take the square root of each side: x = {-0.707106781, 0.707106781}

Subproblem 2

Set the factor '(3 + 5x2)' equal to zero and attempt to solve: Simplifying 3 + 5x2 = 0 Solving 3 + 5x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 5x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 5x2 = 0 + -3 5x2 = 0 + -3 Combine like terms: 0 + -3 = -3 5x2 = -3 Divide each side by '5'. x2 = -0.6 Simplifying x2 = -0.6 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

x = {-0.707106781, 0.707106781}

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