3n^2=-5-8n

Simple and best practice solution for 3n^2=-5-8n 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 3n^2=-5-8n equation:


Simplifying
3n2 = -5 + -8n

Solving
3n2 = -5 + -8n

Solving for variable 'n'.

Reorder the terms:
5 + 8n + 3n2 = -5 + -8n + 5 + 8n

Reorder the terms:
5 + 8n + 3n2 = -5 + 5 + -8n + 8n

Combine like terms: -5 + 5 = 0
5 + 8n + 3n2 = 0 + -8n + 8n
5 + 8n + 3n2 = -8n + 8n

Combine like terms: -8n + 8n = 0
5 + 8n + 3n2 = 0

Factor a trinomial.
(5 + 3n)(1 + n) = 0

Subproblem 1

Set the factor '(5 + 3n)' equal to zero and attempt to solve: Simplifying 5 + 3n = 0 Solving 5 + 3n = 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 + 3n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3n = 0 + -5 3n = 0 + -5 Combine like terms: 0 + -5 = -5 3n = -5 Divide each side by '3'. n = -1.666666667 Simplifying n = -1.666666667

Subproblem 2

Set the factor '(1 + n)' equal to zero and attempt to solve: Simplifying 1 + n = 0 Solving 1 + n = 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 + n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + n = 0 + -1 n = 0 + -1 Combine like terms: 0 + -1 = -1 n = -1 Simplifying n = -1

Solution

n = {-1.666666667, -1}

See similar equations:

| 9(0)-3y=9 | | 3m+4.25=26.75 | | 14x^2+8x-6=0 | | 6n+8=(12n+16) | | -10-10n=-8n | | -3(8r-2)=198 | | b-27=-84 | | q*6=4 | | 7x+17-6x=-5+(-13) | | 24u^3+1029=0 | | B^2=25/64 | | -500a^3-108=0 | | 5log(4x+8)-6=9 | | 1.1=4y+19.9 | | 2-7r=-7-6r | | 5=c/-4=7 | | 4x+2x+2=17 | | 11a+6-4a= | | 42+Y+X=42+X+Y | | 4(w-5)=5 | | 9a+6=12 | | 5m+3m=54-2m | | -18=6v+7v-16 | | -6x+7-7=-7x+2 | | -9-3u=7-u | | -3w+(-18)=0 | | 2x-39=11 | | 14x^2+179x-39=0 | | 10w-8w+14w= | | -23+7x=9(2x-3) | | 4.5+1.2p=6.1 | | 5+6c=-5+8c |

Equations solver categories