y^3-2y^2-10y=0

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Solution for y^3-2y^2-10y=0 equation:


Simplifying
y3 + -2y2 + -10y = 0

Reorder the terms:
-10y + -2y2 + y3 = 0

Solving
-10y + -2y2 + y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(-10 + -2y + y2) = 0

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(-10 + -2y + y2)' equal to zero and attempt to solve: Simplifying -10 + -2y + y2 = 0 Solving -10 + -2y + y2 = 0 Begin completing the square. Move the constant term to the right: Add '10' to each side of the equation. -10 + -2y + 10 + y2 = 0 + 10 Reorder the terms: -10 + 10 + -2y + y2 = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -2y + y2 = 0 + 10 -2y + y2 = 0 + 10 Combine like terms: 0 + 10 = 10 -2y + y2 = 10 The y term is -2y. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2y + 1 + y2 = 10 + 1 Reorder the terms: 1 + -2y + y2 = 10 + 1 Combine like terms: 10 + 1 = 11 1 + -2y + y2 = 11 Factor a perfect square on the left side: (y + -1)(y + -1) = 11 Calculate the square root of the right side: 3.31662479 Break this problem into two subproblems by setting (y + -1) equal to 3.31662479 and -3.31662479.

Subproblem 1

y + -1 = 3.31662479 Simplifying y + -1 = 3.31662479 Reorder the terms: -1 + y = 3.31662479 Solving -1 + y = 3.31662479 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + y = 3.31662479 + 1 Combine like terms: -1 + 1 = 0 0 + y = 3.31662479 + 1 y = 3.31662479 + 1 Combine like terms: 3.31662479 + 1 = 4.31662479 y = 4.31662479 Simplifying y = 4.31662479

Subproblem 2

y + -1 = -3.31662479 Simplifying y + -1 = -3.31662479 Reorder the terms: -1 + y = -3.31662479 Solving -1 + y = -3.31662479 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + y = -3.31662479 + 1 Combine like terms: -1 + 1 = 0 0 + y = -3.31662479 + 1 y = -3.31662479 + 1 Combine like terms: -3.31662479 + 1 = -2.31662479 y = -2.31662479 Simplifying y = -2.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. y = {4.31662479, -2.31662479}

Solution

y = {0, 4.31662479, -2.31662479}

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