-11n^2+2n+2=7

Simple and best practice solution for -11n^2+2n+2=7 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 -11n^2+2n+2=7 equation:


Simplifying
-11n2 + 2n + 2 = 7

Reorder the terms:
2 + 2n + -11n2 = 7

Solving
2 + 2n + -11n2 = 7

Solving for variable 'n'.

Reorder the terms:
2 + -7 + 2n + -11n2 = 7 + -7

Combine like terms: 2 + -7 = -5
-5 + 2n + -11n2 = 7 + -7

Combine like terms: 7 + -7 = 0
-5 + 2n + -11n2 = 0

Begin completing the square.  Divide all terms by
-11 the coefficient of the squared term: 

Divide each side by '-11'.
0.4545454545 + -0.1818181818n + n2 = 0

Move the constant term to the right:

Add '-0.4545454545' to each side of the equation.
0.4545454545 + -0.1818181818n + -0.4545454545 + n2 = 0 + -0.4545454545

Reorder the terms:
0.4545454545 + -0.4545454545 + -0.1818181818n + n2 = 0 + -0.4545454545

Combine like terms: 0.4545454545 + -0.4545454545 = 0.0000000000
0.0000000000 + -0.1818181818n + n2 = 0 + -0.4545454545
-0.1818181818n + n2 = 0 + -0.4545454545

Combine like terms: 0 + -0.4545454545 = -0.4545454545
-0.1818181818n + n2 = -0.4545454545

The n term is -0.1818181818n.  Take half its coefficient (-0.0909090909).
Square it (0.008264462808) and add it to both sides.

Add '0.008264462808' to each side of the equation.
-0.1818181818n + 0.008264462808 + n2 = -0.4545454545 + 0.008264462808

Reorder the terms:
0.008264462808 + -0.1818181818n + n2 = -0.4545454545 + 0.008264462808

Combine like terms: -0.4545454545 + 0.008264462808 = -0.446280991692
0.008264462808 + -0.1818181818n + n2 = -0.446280991692

Factor a perfect square on the left side:
(n + -0.0909090909)(n + -0.0909090909) = -0.446280991692

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 12x^2+21xy-45y^2= | | -x/6=-12 | | 10=70(1.15)x | | -3x-6=14+2x | | -2b^2-11b=-23 | | 2(2s-2)+14=3(s-1)-(2s+4) | | -3x-6=14+2 | | 10x3/2 | | 7V-1-4V=7+4V | | 8w-4(7-w)=8w+28+4w | | 9/21/4 | | -3=-6+x/5 | | (2x+7)(6x+7)=13x+14 | | 0*2/3 | | 2(12x-11)=-4(1-6x) | | (4x+3)(5x-3)=-(173x-124) | | b-1+8b=25 | | -5V+5V=-7V+3V+8 | | 8x+8=4x-16 | | (4x-1)(15x-31)=-(8x+25) | | 7m^2+4=-5 | | 4(9y-5)=10(3+17)-40 | | (4x-1)(15x-31)=-(8x+92) | | x^4+7x^2-44=0 | | x-8=3x+1w | | 2x+30=-22 | | 4r/5-r/10=7 | | 15-12(8x-7)=20+6(9-4x) | | (2x+1)(16x+11)=2x+92 | | (9x+3)+(7x+1)=180 | | -2X-7=-7-6X-8 | | 5x+5x=11x-9 |

Equations solver categories