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Simplifying 6y(3y + -1) + -3(2y) = 10 Reorder the terms: 6y(-1 + 3y) + -3(2y) = 10 (-1 * 6y + 3y * 6y) + -3(2y) = 10 (-6y + 18y2) + -3(2y) = 10 Remove parenthesis around (2y) -6y + 18y2 + -3 * 2y = 10 Multiply -3 * 2 -6y + 18y2 + -6y = 10 Reorder the terms: -6y + -6y + 18y2 = 10 Combine like terms: -6y + -6y = -12y -12y + 18y2 = 10 Solving -12y + 18y2 = 10 Solving for variable 'y'. Reorder the terms: -10 + -12y + 18y2 = 10 + -10 Combine like terms: 10 + -10 = 0 -10 + -12y + 18y2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-5 + -6y + 9y2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-5 + -6y + 9y2)' equal to zero and attempt to solve: Simplifying -5 + -6y + 9y2 = 0 Solving -5 + -6y + 9y2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -0.5555555556 + -0.6666666667y + y2 = 0 Move the constant term to the right: Add '0.5555555556' to each side of the equation. -0.5555555556 + -0.6666666667y + 0.5555555556 + y2 = 0 + 0.5555555556 Reorder the terms: -0.5555555556 + 0.5555555556 + -0.6666666667y + y2 = 0 + 0.5555555556 Combine like terms: -0.5555555556 + 0.5555555556 = 0.0000000000 0.0000000000 + -0.6666666667y + y2 = 0 + 0.5555555556 -0.6666666667y + y2 = 0 + 0.5555555556 Combine like terms: 0 + 0.5555555556 = 0.5555555556 -0.6666666667y + y2 = 0.5555555556 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 = 0.5555555556 + 0.1111111112 Reorder the terms: 0.1111111112 + -0.6666666667y + y2 = 0.5555555556 + 0.1111111112 Combine like terms: 0.5555555556 + 0.1111111112 = 0.6666666668 0.1111111112 + -0.6666666667y + y2 = 0.6666666668 Factor a perfect square on the left side: (y + -0.3333333334)(y + -0.3333333334) = 0.6666666668 Calculate the square root of the right side: 0.816496581 Break this problem into two subproblems by setting (y + -0.3333333334) equal to 0.816496581 and -0.816496581.Subproblem 1
y + -0.3333333334 = 0.816496581 Simplifying y + -0.3333333334 = 0.816496581 Reorder the terms: -0.3333333334 + y = 0.816496581 Solving -0.3333333334 + y = 0.816496581 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 = 0.816496581 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + y = 0.816496581 + 0.3333333334 y = 0.816496581 + 0.3333333334 Combine like terms: 0.816496581 + 0.3333333334 = 1.1498299144 y = 1.1498299144 Simplifying y = 1.1498299144Subproblem 2
y + -0.3333333334 = -0.816496581 Simplifying y + -0.3333333334 = -0.816496581 Reorder the terms: -0.3333333334 + y = -0.816496581 Solving -0.3333333334 + y = -0.816496581 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 = -0.816496581 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + y = -0.816496581 + 0.3333333334 y = -0.816496581 + 0.3333333334 Combine like terms: -0.816496581 + 0.3333333334 = -0.4831632476 y = -0.4831632476 Simplifying y = -0.4831632476Solution
The solution to the problem is based on the solutions from the subproblems. y = {1.1498299144, -0.4831632476}Solution
y = {1.1498299144, -0.4831632476}
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