y^2-20-y=0

Simple and best practice solution for y^2-20-y=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^2-20-y=0 equation:


Simplifying
y2 + -20 + -1y = 0

Reorder the terms:
-20 + -1y + y2 = 0

Solving
-20 + -1y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-4 + -1y)(5 + -1y) = 0

Subproblem 1

Set the factor '(-4 + -1y)' equal to zero and attempt to solve: Simplifying -4 + -1y = 0 Solving -4 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1y = 0 + 4 -1y = 0 + 4 Combine like terms: 0 + 4 = 4 -1y = 4 Divide each side by '-1'. y = -4 Simplifying y = -4

Subproblem 2

Set the factor '(5 + -1y)' equal to zero and attempt to solve: Simplifying 5 + -1y = 0 Solving 5 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1y = 0 + -5 -1y = 0 + -5 Combine like terms: 0 + -5 = -5 -1y = -5 Divide each side by '-1'. y = 5 Simplifying y = 5

Solution

y = {-4, 5}

See similar equations:

| -2x=3/20 | | lg(6x-5)=lg(2x-1) | | 25-4/10x=30 | | 18+18x=-8x+7 | | 25-0.4x=30 | | x-0=-12x+12 | | 10xy+8x-15y-12=0 | | 6(5j-8)=6(10j+10) | | -7(2t+2)=28 | | 5(f-8)=-5 | | 10(s-8)=-172 | | 24-6x=15 | | 2m+4=4m-2 | | 8(4h+4)=4(7h-3) | | 2(4s+3)=110 | | 2(2l+8)=60 | | 3(a-8)=15 | | (q-6)*3=12 | | (e+1)*6=36 | | x^4-3x^3-2x^2+12x-8=0 | | 15x+30(x-2)=255 | | 60x^2-12=0 | | 3-2y=-125 | | 6.03/0.7 | | x(70-2x)(50-2x)=0 | | y[n]+0.2y[n-1]=x[n]-x[n-1] | | -7z+1=5z-1 | | 6(x-4.15)=5x | | ln(3x+4)=1.8 | | -70=8(6-4n)-(4+6n) | | 0.175+5x-0.04= | | 4x-0.7= |

Equations solver categories