19x^3-38x^2=x

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Solution for 19x^3-38x^2=x equation:


Simplifying
19x3 + -38x2 = x

Reorder the terms:
-38x2 + 19x3 = x

Solving
-38x2 + 19x3 = x

Solving for variable 'x'.

Reorder the terms:
-1x + -38x2 + 19x3 = x + -1x

Combine like terms: x + -1x = 0
-1x + -38x2 + 19x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-1 + -38x + 19x2) = 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 '(-1 + -38x + 19x2)' equal to zero and attempt to solve: Simplifying -1 + -38x + 19x2 = 0 Solving -1 + -38x + 19x2 = 0 Begin completing the square. Divide all terms by 19 the coefficient of the squared term: Divide each side by '19'. -0.05263157895 + -2x + x2 = 0 Move the constant term to the right: Add '0.05263157895' to each side of the equation. -0.05263157895 + -2x + 0.05263157895 + x2 = 0 + 0.05263157895 Reorder the terms: -0.05263157895 + 0.05263157895 + -2x + x2 = 0 + 0.05263157895 Combine like terms: -0.05263157895 + 0.05263157895 = 0.00000000000 0.00000000000 + -2x + x2 = 0 + 0.05263157895 -2x + x2 = 0 + 0.05263157895 Combine like terms: 0 + 0.05263157895 = 0.05263157895 -2x + x2 = 0.05263157895 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = 0.05263157895 + 1 Reorder the terms: 1 + -2x + x2 = 0.05263157895 + 1 Combine like terms: 0.05263157895 + 1 = 1.05263157895 1 + -2x + x2 = 1.05263157895 Factor a perfect square on the left side: (x + -1)(x + -1) = 1.05263157895 Calculate the square root of the right side: 1.025978352 Break this problem into two subproblems by setting (x + -1) equal to 1.025978352 and -1.025978352.

Subproblem 1

x + -1 = 1.025978352 Simplifying x + -1 = 1.025978352 Reorder the terms: -1 + x = 1.025978352 Solving -1 + x = 1.025978352 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 1.025978352 + 1 Combine like terms: -1 + 1 = 0 0 + x = 1.025978352 + 1 x = 1.025978352 + 1 Combine like terms: 1.025978352 + 1 = 2.025978352 x = 2.025978352 Simplifying x = 2.025978352

Subproblem 2

x + -1 = -1.025978352 Simplifying x + -1 = -1.025978352 Reorder the terms: -1 + x = -1.025978352 Solving -1 + x = -1.025978352 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -1.025978352 + 1 Combine like terms: -1 + 1 = 0 0 + x = -1.025978352 + 1 x = -1.025978352 + 1 Combine like terms: -1.025978352 + 1 = -0.025978352 x = -0.025978352 Simplifying x = -0.025978352

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.025978352, -0.025978352}

Solution

x = {0, 2.025978352, -0.025978352}

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