5n^2+11=-12n

Simple and best practice solution for 5n^2+11=-12n 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 5n^2+11=-12n equation:


Simplifying
5n2 + 11 = -12n

Reorder the terms:
11 + 5n2 = -12n

Solving
11 + 5n2 = -12n

Solving for variable 'n'.

Reorder the terms:
11 + 12n + 5n2 = -12n + 12n

Combine like terms: -12n + 12n = 0
11 + 12n + 5n2 = 0

Begin completing the square.  Divide all terms by
5 the coefficient of the squared term: 

Divide each side by '5'.
2.2 + 2.4n + n2 = 0

Move the constant term to the right:

Add '-2.2' to each side of the equation.
2.2 + 2.4n + -2.2 + n2 = 0 + -2.2

Reorder the terms:
2.2 + -2.2 + 2.4n + n2 = 0 + -2.2

Combine like terms: 2.2 + -2.2 = 0.0
0.0 + 2.4n + n2 = 0 + -2.2
2.4n + n2 = 0 + -2.2

Combine like terms: 0 + -2.2 = -2.2
2.4n + n2 = -2.2

The n term is 2.4n.  Take half its coefficient (1.2).
Square it (1.44) and add it to both sides.

Add '1.44' to each side of the equation.
2.4n + 1.44 + n2 = -2.2 + 1.44

Reorder the terms:
1.44 + 2.4n + n2 = -2.2 + 1.44

Combine like terms: -2.2 + 1.44 = -0.76
1.44 + 2.4n + n2 = -0.76

Factor a perfect square on the left side:
(n + 1.2)(n + 1.2) = -0.76

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 8x+8.28=2x+15 | | 3x-2x+4=3x+4 | | -4j-18= | | 5y-y+2d+4= | | 20x+2y+4z=22 | | 3m-5=8 | | 2/5n-8 | | -40=10[4+s] | | -2(3x-1)-2=-2(5x+4)-2 | | 4/9=?/45 | | x^2=10x-89 | | x-12=5(2x+3)-9 | | -6(8b+1)=39-3b | | 5x+8=5x-6 | | .05x=11.3 | | 2(p+7)-7=5 | | 4x-11.7=0.3x | | p^2=18-3p | | 4X+6+6x-6=180 | | Pints= | | -368=8(3-7n) | | -9(x+6)+60=14-10x | | 7r-10=39 | | 5/4=n/16 | | 9p-61=2p+51 | | x+6+x+6+x=48 | | 8b*b+2b-3=0 | | x/2-18=-28 | | 18a=40a | | z+45=6z | | -4/6(-2)-8/6 | | 4s-8=16-2s |

Equations solver categories