y^2-89y+114=0

Simple and best practice solution for y^2-89y+114=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 y^2-89y+114=0 equation:


Simplifying
y2 + -89y + 114 = 0

Reorder the terms:
114 + -89y + y2 = 0

Solving
114 + -89y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-114' to each side of the equation.
114 + -89y + -114 + y2 = 0 + -114

Reorder the terms:
114 + -114 + -89y + y2 = 0 + -114

Combine like terms: 114 + -114 = 0
0 + -89y + y2 = 0 + -114
-89y + y2 = 0 + -114

Combine like terms: 0 + -114 = -114
-89y + y2 = -114

The y term is -89y.  Take half its coefficient (-44.5).
Square it (1980.25) and add it to both sides.

Add '1980.25' to each side of the equation.
-89y + 1980.25 + y2 = -114 + 1980.25

Reorder the terms:
1980.25 + -89y + y2 = -114 + 1980.25

Combine like terms: -114 + 1980.25 = 1866.25
1980.25 + -89y + y2 = 1866.25

Factor a perfect square on the left side:
(y + -44.5)(y + -44.5) = 1866.25

Calculate the square root of the right side: 43.200115741

Break this problem into two subproblems by setting 
(y + -44.5) equal to 43.200115741 and -43.200115741.

Subproblem 1

y + -44.5 = 43.200115741 Simplifying y + -44.5 = 43.200115741 Reorder the terms: -44.5 + y = 43.200115741 Solving -44.5 + y = 43.200115741 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '44.5' to each side of the equation. -44.5 + 44.5 + y = 43.200115741 + 44.5 Combine like terms: -44.5 + 44.5 = 0.0 0.0 + y = 43.200115741 + 44.5 y = 43.200115741 + 44.5 Combine like terms: 43.200115741 + 44.5 = 87.700115741 y = 87.700115741 Simplifying y = 87.700115741

Subproblem 2

y + -44.5 = -43.200115741 Simplifying y + -44.5 = -43.200115741 Reorder the terms: -44.5 + y = -43.200115741 Solving -44.5 + y = -43.200115741 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '44.5' to each side of the equation. -44.5 + 44.5 + y = -43.200115741 + 44.5 Combine like terms: -44.5 + 44.5 = 0.0 0.0 + y = -43.200115741 + 44.5 y = -43.200115741 + 44.5 Combine like terms: -43.200115741 + 44.5 = 1.299884259 y = 1.299884259 Simplifying y = 1.299884259

Solution

The solution to the problem is based on the solutions from the subproblems. y = {87.700115741, 1.299884259}

See similar equations:

| -8x-51=93-2x | | 3v+18=180 | | 105=5g | | 3+p=3 | | x-0.65=0.35x | | -40-7x=-5x+10 | | 38.47=c+.25x | | T=2s+3.65 | | 6f+7g-2f-3G= | | 20-6x=10-8 | | 2x+3y+3.5z= | | -11x-36=-9x+24 | | 12+2x=4x+16 | | x-0.65x=70 | | 1=(110-2x) | | -51+6x=10x+25 | | 3y-15=3whatisy | | 6x+5=-72-5 | | 226=m | | 2cos(x)+cos^2(x)+2cos^3(x)=1 | | 3x(2x+5)+y=35 | | 4a-2+a=4 | | 125=25c | | 9x-1=5+3x | | 3=5-2cosx | | 24-4=6-7x | | 28=v-469 | | -49+9x=41+3x | | (4x-10)-6x+8= | | 9+4y=1 | | 90=4n+50 | | 7d+4=5d+15 |

Equations solver categories