2y^2=11y-4

Simple and best practice solution for 2y^2=11y-4 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 2y^2=11y-4 equation:


Simplifying
2y2 = 11y + -4

Reorder the terms:
2y2 = -4 + 11y

Solving
2y2 = -4 + 11y

Solving for variable 'y'.

Reorder the terms:
4 + -11y + 2y2 = -4 + 11y + 4 + -11y

Reorder the terms:
4 + -11y + 2y2 = -4 + 4 + 11y + -11y

Combine like terms: -4 + 4 = 0
4 + -11y + 2y2 = 0 + 11y + -11y
4 + -11y + 2y2 = 11y + -11y

Combine like terms: 11y + -11y = 0
4 + -11y + 2y2 = 0

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

Divide each side by '2'.
2 + -5.5y + y2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -5.5y + -2 + y2 = 0 + -2

Reorder the terms:
2 + -2 + -5.5y + y2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -5.5y + y2 = 0 + -2
-5.5y + y2 = 0 + -2

Combine like terms: 0 + -2 = -2
-5.5y + y2 = -2

The y term is -5.5y.  Take half its coefficient (-2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
-5.5y + 7.5625 + y2 = -2 + 7.5625

Reorder the terms:
7.5625 + -5.5y + y2 = -2 + 7.5625

Combine like terms: -2 + 7.5625 = 5.5625
7.5625 + -5.5y + y2 = 5.5625

Factor a perfect square on the left side:
(y + -2.75)(y + -2.75) = 5.5625

Calculate the square root of the right side: 2.358495283

Break this problem into two subproblems by setting 
(y + -2.75) equal to 2.358495283 and -2.358495283.

Subproblem 1

y + -2.75 = 2.358495283 Simplifying y + -2.75 = 2.358495283 Reorder the terms: -2.75 + y = 2.358495283 Solving -2.75 + y = 2.358495283 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + y = 2.358495283 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + y = 2.358495283 + 2.75 y = 2.358495283 + 2.75 Combine like terms: 2.358495283 + 2.75 = 5.108495283 y = 5.108495283 Simplifying y = 5.108495283

Subproblem 2

y + -2.75 = -2.358495283 Simplifying y + -2.75 = -2.358495283 Reorder the terms: -2.75 + y = -2.358495283 Solving -2.75 + y = -2.358495283 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + y = -2.358495283 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + y = -2.358495283 + 2.75 y = -2.358495283 + 2.75 Combine like terms: -2.358495283 + 2.75 = 0.391504717 y = 0.391504717 Simplifying y = 0.391504717

Solution

The solution to the problem is based on the solutions from the subproblems. y = {5.108495283, 0.391504717}

See similar equations:

| 67(34/2)=x | | 5r^2+20r+15= | | 4x+2=3x-2 | | 6+8x=70 | | 25(2x+1)-15(x-2)=5(7x+5) | | 5x-10=2x+2 | | 8-2x(-2)=24 | | 5x+26=101 | | 16x+15=8x+43 | | 4r+3s+2t+10+3t-15=360 | | t/4=-13 | | 4x+3=2x-8 | | -84=d/3 | | x-2=-4x-7 | | 14+3x+2x=x-6 | | .25x^2-5x+5=0 | | 8(4x-51)-6(17-3x)=12(x+5) | | 8y+4=0 | | -7n-7n=1-2n-2n-1 | | 4x+7=-57 | | x+3/4=32 | | 9x+5=-103 | | -6(2a-4)=3(-5+1) | | 5(8x-1)-7(4x+1)=9-8(7-4x) | | -a+10=6a-4 | | 1.33+.66=x | | -y^2+3x-12y-21=0 | | a[b-(1-3cx)]=dx | | 8-6c=4e | | 76+n=115 | | 3x=2y(1-x) | | -9+m=4m |

Equations solver categories