7n^2+7=-n

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



7n^2+7=-n

We move all terms to the left:

7n^2+7-(-n)=0

We add all the numbers together, and all the variables

7n^2-(-1n)+7=0

We get rid of parentheses

7n^2+1n+7=0

We add all the numbers together, and all the variables

7n^2+n+7=0

a = 7; b = 1; c = +7;
Δ = b2-4ac
Δ = 12-4·7·7
Δ = -195
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 90+63+(4x+3)=180 | | h-3.7=1.2 | | (y/12-5=11) | | 0=14−x+6x−9 | | 5(2i+10)=40 | | 3m+7=3m+1 | | X-15+x+x+15=180 | | 2x(x–4)=5 | | 2x+(-2x+7)=-3 | | h2−9=0 | | 12/6=n/27 | | -4u-6=2(u+6) | | 3x-9=@80 | | 5n+4=9n+12 | | 12a^2+5=-7a | | 4x+7/8=2/3 | | 10(3)+5=y | | 8(x-7)=4x-16 | | 2x19=38 | | t2=144 | | 12x^2-32+2x=0 | | (2x+11)+90+0=180 | | 5q+5(–9q+10)=–6(7q−8) | | 3c+5/6=-2 | | -3x^2+11=38 | | 75+(3x+5)+58=180 | | 3x+112=-55 | | (3x+2)3=24 | | -2y+4(y+2)=18 | | 3x+112=-56 | | 50+45x=70+35x | | 3x15=45 |

Equations solver categories