13y-4y^2-3y^3=0

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Solution for 13y-4y^2-3y^3=0 equation:


Simplifying
13y + -4y2 + -3y3 = 0

Solving
13y + -4y2 + -3y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), 'y'.
y(13 + -4y + -3y2) = 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 '(13 + -4y + -3y2)' equal to zero and attempt to solve: Simplifying 13 + -4y + -3y2 = 0 Solving 13 + -4y + -3y2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -4.333333333 + 1.333333333y + y2 = 0 Move the constant term to the right: Add '4.333333333' to each side of the equation. -4.333333333 + 1.333333333y + 4.333333333 + y2 = 0 + 4.333333333 Reorder the terms: -4.333333333 + 4.333333333 + 1.333333333y + y2 = 0 + 4.333333333 Combine like terms: -4.333333333 + 4.333333333 = 0.000000000 0.000000000 + 1.333333333y + y2 = 0 + 4.333333333 1.333333333y + y2 = 0 + 4.333333333 Combine like terms: 0 + 4.333333333 = 4.333333333 1.333333333y + y2 = 4.333333333 The y term is 1.333333333y. 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. 1.333333333y + 0.4444444442 + y2 = 4.333333333 + 0.4444444442 Reorder the terms: 0.4444444442 + 1.333333333y + y2 = 4.333333333 + 0.4444444442 Combine like terms: 4.333333333 + 0.4444444442 = 4.7777777772 0.4444444442 + 1.333333333y + y2 = 4.7777777772 Factor a perfect square on the left side: (y + 0.6666666665)(y + 0.6666666665) = 4.7777777772 Calculate the square root of the right side: 2.185812841 Break this problem into two subproblems by setting (y + 0.6666666665) equal to 2.185812841 and -2.185812841.

Subproblem 1

y + 0.6666666665 = 2.185812841 Simplifying y + 0.6666666665 = 2.185812841 Reorder the terms: 0.6666666665 + y = 2.185812841 Solving 0.6666666665 + y = 2.185812841 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + y = 2.185812841 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + y = 2.185812841 + -0.6666666665 y = 2.185812841 + -0.6666666665 Combine like terms: 2.185812841 + -0.6666666665 = 1.5191461745 y = 1.5191461745 Simplifying y = 1.5191461745

Subproblem 2

y + 0.6666666665 = -2.185812841 Simplifying y + 0.6666666665 = -2.185812841 Reorder the terms: 0.6666666665 + y = -2.185812841 Solving 0.6666666665 + y = -2.185812841 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + y = -2.185812841 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + y = -2.185812841 + -0.6666666665 y = -2.185812841 + -0.6666666665 Combine like terms: -2.185812841 + -0.6666666665 = -2.8524795075 y = -2.8524795075 Simplifying y = -2.8524795075

Solution

The solution to the problem is based on the solutions from the subproblems. y = {1.5191461745, -2.8524795075}

Solution

y = {0, 1.5191461745, -2.8524795075}

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