3y^2-6y-29=0

Simple and best practice solution for 3y^2-6y-29=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3y^2-6y-29=0 equation:


Simplifying
3y2 + -6y + -29 = 0

Reorder the terms:
-29 + -6y + 3y2 = 0

Solving
-29 + -6y + 3y2 = 0

Solving for variable 'y'.

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

Divide each side by '3'.
-9.666666667 + -2y + y2 = 0

Move the constant term to the right:

Add '9.666666667' to each side of the equation.
-9.666666667 + -2y + 9.666666667 + y2 = 0 + 9.666666667

Reorder the terms:
-9.666666667 + 9.666666667 + -2y + y2 = 0 + 9.666666667

Combine like terms: -9.666666667 + 9.666666667 = 0.000000000
0.000000000 + -2y + y2 = 0 + 9.666666667
-2y + y2 = 0 + 9.666666667

Combine like terms: 0 + 9.666666667 = 9.666666667
-2y + y2 = 9.666666667

The y term is -2y.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2y + 1 + y2 = 9.666666667 + 1

Reorder the terms:
1 + -2y + y2 = 9.666666667 + 1

Combine like terms: 9.666666667 + 1 = 10.666666667
1 + -2y + y2 = 10.666666667

Factor a perfect square on the left side:
(y + -1)(y + -1) = 10.666666667

Calculate the square root of the right side: 3.265986324

Break this problem into two subproblems by setting 
(y + -1) equal to 3.265986324 and -3.265986324.

Subproblem 1

y + -1 = 3.265986324 Simplifying y + -1 = 3.265986324 Reorder the terms: -1 + y = 3.265986324 Solving -1 + y = 3.265986324 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + y = 3.265986324 + 1 Combine like terms: -1 + 1 = 0 0 + y = 3.265986324 + 1 y = 3.265986324 + 1 Combine like terms: 3.265986324 + 1 = 4.265986324 y = 4.265986324 Simplifying y = 4.265986324

Subproblem 2

y + -1 = -3.265986324 Simplifying y + -1 = -3.265986324 Reorder the terms: -1 + y = -3.265986324 Solving -1 + y = -3.265986324 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + y = -3.265986324 + 1 Combine like terms: -1 + 1 = 0 0 + y = -3.265986324 + 1 y = -3.265986324 + 1 Combine like terms: -3.265986324 + 1 = -2.265986324 y = -2.265986324 Simplifying y = -2.265986324

Solution

The solution to the problem is based on the solutions from the subproblems. y = {4.265986324, -2.265986324}

See similar equations:

| 7+v+3=6+v | | 7+v+-3=6+v | | -3p+6=-9 | | .5(4+x)=4 | | 3/x-4=4/x-3 | | 7+v=6+v | | 7-4/5x3/5 | | -3=-n+5-n | | 3=4x+4 | | 5ab+10= | | Sinx=0.7 | | 9+4x=-6+x | | 5x-14=x-2 | | x+x+2+3=50+x+1 | | s*8=48 | | -6.5(3x+5)-2.7(4x-6)= | | -30=-27n+63 | | s^8=48 | | .25(10+250)=x | | .25(10+50)=x | | 9x-4=5x+11 | | -1/5(x+10)-1/4(x-4)=x-8 | | .25(10+x)=125 | | 3x+31=-1-x | | 2y-9y= | | 2x+X+12+X+12=54 | | 5xt=40 | | -3/4=p/12 | | x+4=3y-11 | | 9x-(7x+1)=8-(3x-9) | | 2=a-9 | | c+7=0 |

Equations solver categories