3(3y^2-8y+6)-3(8-3y^2)=

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Solution for 3(3y^2-8y+6)-3(8-3y^2)= equation:


Simplifying
3(3y2 + -8y + 6) + -3(8 + -3y2) = 0

Reorder the terms:
3(6 + -8y + 3y2) + -3(8 + -3y2) = 0
(6 * 3 + -8y * 3 + 3y2 * 3) + -3(8 + -3y2) = 0
(18 + -24y + 9y2) + -3(8 + -3y2) = 0
18 + -24y + 9y2 + (8 * -3 + -3y2 * -3) = 0
18 + -24y + 9y2 + (-24 + 9y2) = 0

Reorder the terms:
18 + -24 + -24y + 9y2 + 9y2 = 0

Combine like terms: 18 + -24 = -6
-6 + -24y + 9y2 + 9y2 = 0

Combine like terms: 9y2 + 9y2 = 18y2
-6 + -24y + 18y2 = 0

Solving
-6 + -24y + 18y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-1 + -4y + 3y2) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(-1 + -4y + 3y2)' equal to zero and attempt to solve: Simplifying -1 + -4y + 3y2 = 0 Solving -1 + -4y + 3y2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -0.3333333333 + -1.333333333y + y2 = 0 Move the constant term to the right: Add '0.3333333333' to each side of the equation. -0.3333333333 + -1.333333333y + 0.3333333333 + y2 = 0 + 0.3333333333 Reorder the terms: -0.3333333333 + 0.3333333333 + -1.333333333y + y2 = 0 + 0.3333333333 Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000 0.0000000000 + -1.333333333y + y2 = 0 + 0.3333333333 -1.333333333y + y2 = 0 + 0.3333333333 Combine like terms: 0 + 0.3333333333 = 0.3333333333 -1.333333333y + y2 = 0.3333333333 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 = 0.3333333333 + 0.4444444442 Reorder the terms: 0.4444444442 + -1.333333333y + y2 = 0.3333333333 + 0.4444444442 Combine like terms: 0.3333333333 + 0.4444444442 = 0.7777777775 0.4444444442 + -1.333333333y + y2 = 0.7777777775 Factor a perfect square on the left side: (y + -0.6666666665)(y + -0.6666666665) = 0.7777777775 Calculate the square root of the right side: 0.881917104 Break this problem into two subproblems by setting (y + -0.6666666665) equal to 0.881917104 and -0.881917104.

Subproblem 1

y + -0.6666666665 = 0.881917104 Simplifying y + -0.6666666665 = 0.881917104 Reorder the terms: -0.6666666665 + y = 0.881917104 Solving -0.6666666665 + y = 0.881917104 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 = 0.881917104 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + y = 0.881917104 + 0.6666666665 y = 0.881917104 + 0.6666666665 Combine like terms: 0.881917104 + 0.6666666665 = 1.5485837705 y = 1.5485837705 Simplifying y = 1.5485837705

Subproblem 2

y + -0.6666666665 = -0.881917104 Simplifying y + -0.6666666665 = -0.881917104 Reorder the terms: -0.6666666665 + y = -0.881917104 Solving -0.6666666665 + y = -0.881917104 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 = -0.881917104 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + y = -0.881917104 + 0.6666666665 y = -0.881917104 + 0.6666666665 Combine like terms: -0.881917104 + 0.6666666665 = -0.2152504375 y = -0.2152504375 Simplifying y = -0.2152504375

Solution

The solution to the problem is based on the solutions from the subproblems. y = {1.5485837705, -0.2152504375}

Solution

y = {1.5485837705, -0.2152504375}

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