-4-5n^2=-249

Simple and best practice solution for -4-5n^2=-249 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 -4-5n^2=-249 equation: 


Simplifying
-4 + -5n2 = -249

Solving
-4 + -5n2 = -249

Solving for variable 'n'.

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

Add '4' to each side of the equation.
-4 + 4 + -5n2 = -249 + 4

Combine like terms: -4 + 4 = 0
0 + -5n2 = -249 + 4
-5n2 = -249 + 4

Combine like terms: -249 + 4 = -245
-5n2 = -245

Divide each side by '-5'.
n2 = 49

Simplifying
n2 = 49

Take the square root of each side:
n = {-7, 7}

See similar equations:

| 3v^2-11v=14 | | 3(6k+8)=-120 | | x+6=-2 | | -56=7a | | 6k-2=-20 | | 10+6g=-26 | | -7m-6=-20 | | 5n-4=21 | | 3(1-2y)=15-4y | | -3m+8=-7 | | x^4+4x^3+5x^2+4x+4= | | x^4+4x^3+5x^2+4x+4=0 | | 4p-7=37 | | (10t^2+1t-6)=0 | | -3x=50 | | 4x=-26 | | (20t^2+1t-6)=0 | | 9=8m+23 | | -73+3x=15+11x | | n-4=11 | | 7x=-54 | | 3x+2-8x=12 | | 0=16t^2+12t+10 | | 53m-7+11m=33 | | 11=-16t^2+12t+10 | | (4*2)+2=8 | | 5x-14-6x=-18 | | -7x+13+6x=-11 | | 5x-3x(5-y)+10x= | | -9-5x-13=8 | | (8s-3)-4(2+3s)=0 | | (8s-3)-4(2+3x)=0 |

Equations solver categories