(n^2-8)=3n+2

Simple and best practice solution for (n^2-8)=3n+2 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 (n^2-8)=3n+2 equation:


Simplifying
(n2 + -8) = 3n + 2

Reorder the terms:
(-8 + n2) = 3n + 2

Remove parenthesis around (-8 + n2)
-8 + n2 = 3n + 2

Reorder the terms:
-8 + n2 = 2 + 3n

Solving
-8 + n2 = 2 + 3n

Solving for variable 'n'.

Reorder the terms:
-8 + -2 + -3n + n2 = 2 + 3n + -2 + -3n

Combine like terms: -8 + -2 = -10
-10 + -3n + n2 = 2 + 3n + -2 + -3n

Reorder the terms:
-10 + -3n + n2 = 2 + -2 + 3n + -3n

Combine like terms: 2 + -2 = 0
-10 + -3n + n2 = 0 + 3n + -3n
-10 + -3n + n2 = 3n + -3n

Combine like terms: 3n + -3n = 0
-10 + -3n + n2 = 0

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

Subproblem 1

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

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 = {-2, 5}

See similar equations:

| 6z=54 | | x^4-2x^3+x^2= | | 9x+12x+15x=0 | | -19y=95 | | 35r=28 | | 180-x=60+4*90-x | | 24t=288 | | 12x+y+24x=180 | | -12=4c | | 12x^4-27x^2=0 | | 8=8x | | 0=14m | | 7+(-4)=3 | | 2(2a+3)+3(a+1)=30 | | D^2-117=0 | | -20c=50 | | -20=50 | | 2.65k=15.9 | | y=0.80*100+29 | | -x=1 | | 6x+3(8)=24 | | 3(y+7)=5(y+3) | | 0.3x=2.4 | | y=0.80*50+29 | | -7k=63 | | 3(x-2)+4x=3(x-2) | | 6(0)+3y=24 | | 175=25a | | 10y+40=0 | | 7*n+4=6-8*n | | Onehalfz=14 | | 4m=20 |

Equations solver categories