2n^2+1=19

Simple and best practice solution for 2n^2+1=19 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+1=19 equation: 


Simplifying
2n2 + 1 = 19

Reorder the terms:
1 + 2n2 = 19

Solving
1 + 2n2 = 19

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + 2n2 = 19 + -1

Combine like terms: 1 + -1 = 0
0 + 2n2 = 19 + -1
2n2 = 19 + -1

Combine like terms: 19 + -1 = 18
2n2 = 18

Divide each side by '2'.
n2 = 9

Simplifying
n2 = 9

Take the square root of each side:
n = {-3, 3}

See similar equations:

| X*x+36=x+2*x+2 | | 3x+2=4x+14 | | y^2-8y-8x=0 | | 35/20*-8/20*12/20 | | 6(5-2n)=4(3n+1) | | 2x+36=16x | | K-25=-9 | | 27/12/-8/12 | | 2x/5-2/5=11/5 | | 2x/5-2/5=11/5 | | 9x^2-4x+13=10 | | .5x+1=4x-6 | | 3x+21=2x-4 | | 8v+14=v+5v | | 5d(3d)= | | 2(4k-5)+9(6k+7)=5(5k-8) | | 6n-2=-9+n+4n | | 10/12/3/12 | | 1/x#0.4 | | -10b+10=60 | | -12=8+6x-2x | | f(1)=4x-1 | | 4x+18=8x-2 | | -2m-3+m-3= | | f(-1)=4x-1 | | 7/(y-5)/6=-4y | | n^2-3n-54/n-9 | | 18n^2=24n^3 | | 6561^5/4 | | -6x+24=14x+16 | | 4x-3y=38 | | a+10-6+3a= |

Equations solver categories