(3y+2)(4y)=88

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Solution for (3y+2)(4y)=88 equation:


Simplifying
(3y + 2)(4y) = 88

Reorder the terms:
(2 + 3y)(4y) = 88

Remove parenthesis around (4y)
(2 + 3y) * 4y = 88

Reorder the terms for easier multiplication:
4y(2 + 3y) = 88
(2 * 4y + 3y * 4y) = 88
(8y + 12y2) = 88

Solving
8y + 12y2 = 88

Solving for variable 'y'.

Reorder the terms:
-88 + 8y + 12y2 = 88 + -88

Combine like terms: 88 + -88 = 0
-88 + 8y + 12y2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-22 + 2y + 3y2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-22 + 2y + 3y2)' equal to zero and attempt to solve: Simplifying -22 + 2y + 3y2 = 0 Solving -22 + 2y + 3y2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -7.333333333 + 0.6666666667y + y2 = 0 Move the constant term to the right: Add '7.333333333' to each side of the equation. -7.333333333 + 0.6666666667y + 7.333333333 + y2 = 0 + 7.333333333 Reorder the terms: -7.333333333 + 7.333333333 + 0.6666666667y + y2 = 0 + 7.333333333 Combine like terms: -7.333333333 + 7.333333333 = 0.000000000 0.000000000 + 0.6666666667y + y2 = 0 + 7.333333333 0.6666666667y + y2 = 0 + 7.333333333 Combine like terms: 0 + 7.333333333 = 7.333333333 0.6666666667y + y2 = 7.333333333 The y term is 0.6666666667y. Take half its coefficient (0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. 0.6666666667y + 0.1111111112 + y2 = 7.333333333 + 0.1111111112 Reorder the terms: 0.1111111112 + 0.6666666667y + y2 = 7.333333333 + 0.1111111112 Combine like terms: 7.333333333 + 0.1111111112 = 7.4444444442 0.1111111112 + 0.6666666667y + y2 = 7.4444444442 Factor a perfect square on the left side: (y + 0.3333333334)(y + 0.3333333334) = 7.4444444442 Calculate the square root of the right side: 2.728450924 Break this problem into two subproblems by setting (y + 0.3333333334) equal to 2.728450924 and -2.728450924.

Subproblem 1

y + 0.3333333334 = 2.728450924 Simplifying y + 0.3333333334 = 2.728450924 Reorder the terms: 0.3333333334 + y = 2.728450924 Solving 0.3333333334 + y = 2.728450924 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + y = 2.728450924 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + y = 2.728450924 + -0.3333333334 y = 2.728450924 + -0.3333333334 Combine like terms: 2.728450924 + -0.3333333334 = 2.3951175906 y = 2.3951175906 Simplifying y = 2.3951175906

Subproblem 2

y + 0.3333333334 = -2.728450924 Simplifying y + 0.3333333334 = -2.728450924 Reorder the terms: 0.3333333334 + y = -2.728450924 Solving 0.3333333334 + y = -2.728450924 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + y = -2.728450924 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + y = -2.728450924 + -0.3333333334 y = -2.728450924 + -0.3333333334 Combine like terms: -2.728450924 + -0.3333333334 = -3.0617842574 y = -3.0617842574 Simplifying y = -3.0617842574

Solution

The solution to the problem is based on the solutions from the subproblems. y = {2.3951175906, -3.0617842574}

Solution

y = {2.3951175906, -3.0617842574}

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