2n^2-8n=10

Simple and best practice solution for 2n^2-8n=10 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 2n^2-8n=10 equation:


Simplifying
2n2 + -8n = 10

Reorder the terms:
-8n + 2n2 = 10

Solving
-8n + 2n2 = 10

Solving for variable 'n'.

Reorder the terms:
-10 + -8n + 2n2 = 10 + -10

Combine like terms: 10 + -10 = 0
-10 + -8n + 2n2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-5 + -4n + n2) = 0

Factor a trinomial.
2((-1 + -1n)(5 + -1n)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

n = {-1, 5}

See similar equations:

| 1.05+1.35x+1.17y=30 | | 2[3x-5(2x-1234)]=1.4+20 | | (2x-3)squared=49 | | 180-(3n-14)=x | | (4x)/(5x-20) | | -4x-3(x+1)=-2(3x+2) | | 2(5+6x)=58 | | 2n^2=-16n-24 | | 197=11+31r | | 2(7+7x)=154 | | 12/2=9 | | 57+20r=697 | | 41-6x=5 | | 1480=100+30w | | 7(y-4)=2(3y+9)-46 | | 4(1x+9)=80 | | 5(2x-2)-9x=7 | | -7(-9x-6)=-588 | | 6n-4=98 | | (6x+7)-(-3x+9)=16 | | 4n-4=98 | | 2x-1+3= | | 9d-46=575 | | (6x+7)-(-3+9)=16 | | -d+3=16+5d-2 | | 14x=50 | | 7(5+4x)=203 | | 1x=23 | | 110=5+15y | | -1+8x+4=3x-47 | | 3x-9y(2)=25 | | 4(8+3x)=176 |

Equations solver categories