4n^2+12+9=0

Simple and best practice solution for 4n^2+12+9=0 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 4n^2+12+9=0 equation:


Simplifying
4n2 + 12 + 9 = 0

Reorder the terms:
12 + 9 + 4n2 = 0

Combine like terms: 12 + 9 = 21
21 + 4n2 = 0

Solving
21 + 4n2 = 0

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + 4n2 = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 4n2 = 0 + -21
4n2 = 0 + -21

Combine like terms: 0 + -21 = -21
4n2 = -21

Divide each side by '4'.
n2 = -5.25

Simplifying
n2 = -5.25

Reorder the terms:
5.25 + n2 = -5.25 + 5.25

Combine like terms: -5.25 + 5.25 = 0.00
5.25 + n2 = 0.00

The solution to this equation could not be determined.

See similar equations:

| a/6+4=20 | | 2/(14y^2)=18 | | 10(y+2)-4y=2(3y+4)-14 | | (x/6)+X=X-8 | | .5x^2+1.25x-3=0 | | 36n^2-16=0 | | 5.1+b=-7.1 | | x/7+14=22 | | 0=8m+2m | | 17-x^2=14 | | 24-2x/6+x=2 | | 7+6.2n=4.3n+3(0.5n+2.4) | | 7x-5+3x+10=4x+65 | | 5y-(-0.3+6y)=0.9-0.5y | | 3/7(2z-5)=4/7(-3z+9) | | x/6+x=x-8 | | X=4(2-y) | | 75+4x+5=180 | | 4n^2+12n=9 | | 4x+5+75=180 | | 13x+5=5x+21 | | n/3+12=27 | | 10=(2.91(10))+94.16 | | -4+v=-23 | | 3x^2-12=567-x^3-5x^3-3 | | -(8x-15)+7x=21 | | 2x+(3x+1)=0 | | 32-2=13 | | (-37+6x)/(-2+x)=1 | | 0.3+0.4y=0.3y+0.9 | | 4x=6x+16 | | R=k+3w/2 |

Equations solver categories