16y-[3y(6-9y)]=30y+[-(3y+2)-(y+3)]

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Solution for 16y-[3y(6-9y)]=30y+[-(3y+2)-(y+3)] equation:


Simplifying
16y + -1[3y(6 + -9y)] = 30y + [-1(3y + 2) + -1(y + 3)]
16y + -1[(6 * 3y + -9y * 3y)] = 30y + [-1(3y + 2) + -1(y + 3)]
16y + -1[(18y + -27y2)] = 30y + [-1(3y + 2) + -1(y + 3)]
16y + [18y * -1 + -27y2 * -1] = 30y + [-1(3y + 2) + -1(y + 3)]
16y + [-18y + 27y2] = 30y + [-1(3y + 2) + -1(y + 3)]

Combine like terms: 16y + -18y = -2y
-2y + 27y2 = 30y + [-1(3y + 2) + -1(y + 3)]

Reorder the terms:
-2y + 27y2 = 30y + [-1(2 + 3y) + -1(y + 3)]
-2y + 27y2 = 30y + [(2 * -1 + 3y * -1) + -1(y + 3)]
-2y + 27y2 = 30y + [(-2 + -3y) + -1(y + 3)]

Reorder the terms:
-2y + 27y2 = 30y + [-2 + -3y + -1(3 + y)]
-2y + 27y2 = 30y + [-2 + -3y + (3 * -1 + y * -1)]
-2y + 27y2 = 30y + [-2 + -3y + (-3 + -1y)]

Reorder the terms:
-2y + 27y2 = 30y + [-2 + -3 + -3y + -1y]

Combine like terms: -2 + -3 = -5
-2y + 27y2 = 30y + [-5 + -3y + -1y]

Combine like terms: -3y + -1y = -4y
-2y + 27y2 = 30y + [-5 + -4y]

Remove brackets around [-5 + -4y]
-2y + 27y2 = 30y + -5 + -4y

Reorder the terms:
-2y + 27y2 = -5 + 30y + -4y

Combine like terms: 30y + -4y = 26y
-2y + 27y2 = -5 + 26y

Solving
-2y + 27y2 = -5 + 26y

Solving for variable 'y'.

Reorder the terms:
5 + -2y + -26y + 27y2 = -5 + 26y + 5 + -26y

Combine like terms: -2y + -26y = -28y
5 + -28y + 27y2 = -5 + 26y + 5 + -26y

Reorder the terms:
5 + -28y + 27y2 = -5 + 5 + 26y + -26y

Combine like terms: -5 + 5 = 0
5 + -28y + 27y2 = 0 + 26y + -26y
5 + -28y + 27y2 = 26y + -26y

Combine like terms: 26y + -26y = 0
5 + -28y + 27y2 = 0

Begin completing the square.  Divide all terms by
27 the coefficient of the squared term: 

Divide each side by '27'.
0.1851851852 + -1.037037037y + y2 = 0

Move the constant term to the right:

Add '-0.1851851852' to each side of the equation.
0.1851851852 + -1.037037037y + -0.1851851852 + y2 = 0 + -0.1851851852

Reorder the terms:
0.1851851852 + -0.1851851852 + -1.037037037y + y2 = 0 + -0.1851851852

Combine like terms: 0.1851851852 + -0.1851851852 = 0.0000000000
0.0000000000 + -1.037037037y + y2 = 0 + -0.1851851852
-1.037037037y + y2 = 0 + -0.1851851852

Combine like terms: 0 + -0.1851851852 = -0.1851851852
-1.037037037y + y2 = -0.1851851852

The y term is -1.037037037y.  Take half its coefficient (-0.5185185185).
Square it (0.2688614540) and add it to both sides.

Add '0.2688614540' to each side of the equation.
-1.037037037y + 0.2688614540 + y2 = -0.1851851852 + 0.2688614540

Reorder the terms:
0.2688614540 + -1.037037037y + y2 = -0.1851851852 + 0.2688614540

Combine like terms: -0.1851851852 + 0.2688614540 = 0.0836762688
0.2688614540 + -1.037037037y + y2 = 0.0836762688

Factor a perfect square on the left side:
(y + -0.5185185185)(y + -0.5185185185) = 0.0836762688

Calculate the square root of the right side: 0.289268506

Break this problem into two subproblems by setting 
(y + -0.5185185185) equal to 0.289268506 and -0.289268506.

Subproblem 1

y + -0.5185185185 = 0.289268506 Simplifying y + -0.5185185185 = 0.289268506 Reorder the terms: -0.5185185185 + y = 0.289268506 Solving -0.5185185185 + y = 0.289268506 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.5185185185' to each side of the equation. -0.5185185185 + 0.5185185185 + y = 0.289268506 + 0.5185185185 Combine like terms: -0.5185185185 + 0.5185185185 = 0.0000000000 0.0000000000 + y = 0.289268506 + 0.5185185185 y = 0.289268506 + 0.5185185185 Combine like terms: 0.289268506 + 0.5185185185 = 0.8077870245 y = 0.8077870245 Simplifying y = 0.8077870245

Subproblem 2

y + -0.5185185185 = -0.289268506 Simplifying y + -0.5185185185 = -0.289268506 Reorder the terms: -0.5185185185 + y = -0.289268506 Solving -0.5185185185 + y = -0.289268506 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '0.5185185185' to each side of the equation. -0.5185185185 + 0.5185185185 + y = -0.289268506 + 0.5185185185 Combine like terms: -0.5185185185 + 0.5185185185 = 0.0000000000 0.0000000000 + y = -0.289268506 + 0.5185185185 y = -0.289268506 + 0.5185185185 Combine like terms: -0.289268506 + 0.5185185185 = 0.2292500125 y = 0.2292500125 Simplifying y = 0.2292500125

Solution

The solution to the problem is based on the solutions from the subproblems. y = {0.8077870245, 0.2292500125}

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