6n^2-7n=-4

Simple and best practice solution for 6n^2-7n=-4 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 6n^2-7n=-4 equation:


Simplifying
6n2 + -7n = -4

Reorder the terms:
-7n + 6n2 = -4

Solving
-7n + 6n2 = -4

Solving for variable 'n'.

Reorder the terms:
4 + -7n + 6n2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + -7n + 6n2 = 0

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

Divide each side by '6'.
0.6666666667 + -1.166666667n + n2 = 0

Move the constant term to the right:

Add '-0.6666666667' to each side of the equation.
0.6666666667 + -1.166666667n + -0.6666666667 + n2 = 0 + -0.6666666667

Reorder the terms:
0.6666666667 + -0.6666666667 + -1.166666667n + n2 = 0 + -0.6666666667

Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000
0.0000000000 + -1.166666667n + n2 = 0 + -0.6666666667
-1.166666667n + n2 = 0 + -0.6666666667

Combine like terms: 0 + -0.6666666667 = -0.6666666667
-1.166666667n + n2 = -0.6666666667

The n term is -1.166666667n.  Take half its coefficient (-0.5833333335).
Square it (0.3402777780) and add it to both sides.

Add '0.3402777780' to each side of the equation.
-1.166666667n + 0.3402777780 + n2 = -0.6666666667 + 0.3402777780

Reorder the terms:
0.3402777780 + -1.166666667n + n2 = -0.6666666667 + 0.3402777780

Combine like terms: -0.6666666667 + 0.3402777780 = -0.3263888887
0.3402777780 + -1.166666667n + n2 = -0.3263888887

Factor a perfect square on the left side:
(n + -0.5833333335)(n + -0.5833333335) = -0.3263888887

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x+30=9x-5 | | y=85/x | | (6a-18)4a=92 | | w-179=2 | | 3/4x-5=16 | | 5h+17=-32 | | T+3=-2 | | e-(7.8)=-6.7 | | X/210 | | 10x+20=4x-7 | | 12a-2a= | | (2x-6)+(2x+6)= | | 4(5+3y)-12= | | 3(b-2)=2b+10 | | 3/4r=-12 | | 9x+6=7y | | 15x-6-6x=3x+2 | | -0.5n+1.8=1.74 | | 2x+13=6x+25 | | 57=10+2x | | 2/3x-1=3/4 | | -0.5+1.8=1.74 | | ln(x+2)-ln(5x)= | | 15xN=105 | | -9=2x-13 | | 2(2/3x-5)+x=2 | | -8x+7y=-1 | | 3-6a+4a=92 | | 7.92x-12=9 | | x^3+6x^2+18=0 | | 8p-3=8+8p | | (3-9i)/(5-7i) |

Equations solver categories