y^2-8=2y

Simple and best practice solution for y^2-8=2y 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^2-8=2y equation:


Simplifying
y2 + -8 = 2y

Reorder the terms:
-8 + y2 = 2y

Solving
-8 + y2 = 2y

Solving for variable 'y'.

Reorder the terms:
-8 + -2y + y2 = 2y + -2y

Combine like terms: 2y + -2y = 0
-8 + -2y + y2 = 0

Factor a trinomial.
(-2 + -1y)(4 + -1y) = 0

Subproblem 1

Set the factor '(-2 + -1y)' equal to zero and attempt to solve: Simplifying -2 + -1y = 0 Solving -2 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1y = 0 + 2 -1y = 0 + 2 Combine like terms: 0 + 2 = 2 -1y = 2 Divide each side by '-1'. y = -2 Simplifying y = -2

Subproblem 2

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

Solution

y = {-2, 4}

See similar equations:

| x+(x+1)=-67 | | -8.3x+5.8=-2.6 | | h=-16t^2+176-480 | | -3=5+8/2 | | 3XY=5Z | | 25=-132 | | 4+7x=8+8x | | 8y-4=x | | y=7x+40 | | 3+x/2=-10 | | -1.4(2.8x-6.3)+9.1(8-2.5x)=245.9 | | -8+x=-15 | | 20x+9=149 | | -0.38+5.6m=0.18 | | -9a+37=24 | | -10-6a=-8a-2 | | xy^2+20=0 | | 7-x=-7x-11 | | 4x-6=-3y | | -5x-2(-3x-4)-19=-1 | | 3x-1=10+2x | | -7+5x+3=9 | | 7x+30=10x | | a=7w | | 60+1=6-8x-3x | | 7/5x+2/5=-x | | x-6+x=9-3x | | F(x)=x^3-4x^2-25x+100 | | 4k-9=3(k-3) | | -24=14x-5 | | 1/3x8x9 | | 7-5*x=52 |

Equations solver categories