5y+23=y^2

Simple and best practice solution for 5y+23=y^2 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 5y+23=y^2 equation:


Simplifying
5y + 23 = y2

Reorder the terms:
23 + 5y = y2

Solving
23 + 5y = y2

Solving for variable 'y'.

Combine like terms: y2 + -1y2 = 0
23 + 5y + -1y2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-23 + -5y + y2 = 0

Move the constant term to the right:

Add '23' to each side of the equation.
-23 + -5y + 23 + y2 = 0 + 23

Reorder the terms:
-23 + 23 + -5y + y2 = 0 + 23

Combine like terms: -23 + 23 = 0
0 + -5y + y2 = 0 + 23
-5y + y2 = 0 + 23

Combine like terms: 0 + 23 = 23
-5y + y2 = 23

The y term is -5y.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5y + 6.25 + y2 = 23 + 6.25

Reorder the terms:
6.25 + -5y + y2 = 23 + 6.25

Combine like terms: 23 + 6.25 = 29.25
6.25 + -5y + y2 = 29.25

Factor a perfect square on the left side:
(y + -2.5)(y + -2.5) = 29.25

Calculate the square root of the right side: 5.408326913

Break this problem into two subproblems by setting 
(y + -2.5) equal to 5.408326913 and -5.408326913.

Subproblem 1

y + -2.5 = 5.408326913 Simplifying y + -2.5 = 5.408326913 Reorder the terms: -2.5 + y = 5.408326913 Solving -2.5 + y = 5.408326913 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + y = 5.408326913 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + y = 5.408326913 + 2.5 y = 5.408326913 + 2.5 Combine like terms: 5.408326913 + 2.5 = 7.908326913 y = 7.908326913 Simplifying y = 7.908326913

Subproblem 2

y + -2.5 = -5.408326913 Simplifying y + -2.5 = -5.408326913 Reorder the terms: -2.5 + y = -5.408326913 Solving -2.5 + y = -5.408326913 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + y = -5.408326913 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + y = -5.408326913 + 2.5 y = -5.408326913 + 2.5 Combine like terms: -5.408326913 + 2.5 = -2.908326913 y = -2.908326913 Simplifying y = -2.908326913

Solution

The solution to the problem is based on the solutions from the subproblems. y = {7.908326913, -2.908326913}

See similar equations:

| (2y)(y)+y-10=0 | | 8p^2-19p-12=0 | | -47-6x=-3x+19 | | 14+5x=-7+2x | | (2y)(2y)+y-10=0 | | 42n+77+84g=97 | | p(z)=2-9z | | (5x+25)+(x+30)=90 | | 5+3(x+4)=7+4x+x | | 3/4x=4/3^-2 | | 23x+16y=550 | | 3x^2+7x=500 | | 4c^2+25= | | 4+2r=4+2r | | 4(x+1)=10x-2 | | 8x-16=-(13+24) | | 11(g+33)=495 | | 3.2x+2.9=-23 | | 0.35=5.6 | | Y=100+4(0) | | 10z+18=78 | | 5(x-z)=10x-20 | | 13-3x=4(x+2) | | 9=x+30 | | 5/2-4/5*4/3 | | 7-23x+16-2x+4=2+19x-20+19x | | X+14.92=31.5 | | (5.7x-0.5)-(4.9x-1.4)= | | 8 = p8– 9 | | 5(1f+2)=9+5f | | 2/3x2/3x2/3x2/3x2/3x2/3 | | Y=100+4(75) |

Equations solver categories