9n^2+6=7n

Simple and best practice solution for 9n^2+6=7n 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 9n^2+6=7n equation:


Simplifying
9n2 + 6 = 7n

Reorder the terms:
6 + 9n2 = 7n

Solving
6 + 9n2 = 7n

Solving for variable 'n'.

Reorder the terms:
6 + -7n + 9n2 = 7n + -7n

Combine like terms: 7n + -7n = 0
6 + -7n + 9n2 = 0

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

Divide each side by '9'.
0.6666666667 + -0.7777777778n + n2 = 0

Move the constant term to the right:

Add '-0.6666666667' to each side of the equation.
0.6666666667 + -0.7777777778n + -0.6666666667 + n2 = 0 + -0.6666666667

Reorder the terms:
0.6666666667 + -0.6666666667 + -0.7777777778n + n2 = 0 + -0.6666666667

Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000
0.0000000000 + -0.7777777778n + n2 = 0 + -0.6666666667
-0.7777777778n + n2 = 0 + -0.6666666667

Combine like terms: 0 + -0.6666666667 = -0.6666666667
-0.7777777778n + n2 = -0.6666666667

The n term is -0.7777777778n.  Take half its coefficient (-0.3888888889).
Square it (0.1512345679) and add it to both sides.

Add '0.1512345679' to each side of the equation.
-0.7777777778n + 0.1512345679 + n2 = -0.6666666667 + 0.1512345679

Reorder the terms:
0.1512345679 + -0.7777777778n + n2 = -0.6666666667 + 0.1512345679

Combine like terms: -0.6666666667 + 0.1512345679 = -0.5154320988
0.1512345679 + -0.7777777778n + n2 = -0.5154320988

Factor a perfect square on the left side:
(n + -0.3888888889)(n + -0.3888888889) = -0.5154320988

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| r^2=8r-7 | | 4y-2y+16=8y+20-5y | | 4.35b+3.42f=82.35 | | -5(-x-3)=-60 | | 2.6(j-1)+0.7=1.2(3-j)+0.2 | | 5x-(5)-10=0 | | 5(-6n+12)-35(4n-22)=-20 | | F(x)=(7x+10)3 | | 2x+11+3x-9=180 | | 3(3s+9)=54 | | 75y^3=200y^2+27y-72 | | 4(4-x)=4 | | -3+(2+4x)= | | k^2-121=0 | | 6g+3(-4+3g)=1-g | | t^2-145t+2500=0 | | -10a^2+2a-4=-12a^2 | | 6y+7x=36 | | 9x+8=15y | | 7(2l+8)=154 | | c^2-11c+24= | | 4m^2-81= | | 4x/3=16 | | 5x-5-10=0 | | d/3-=12.25 | | 3(x-3)=x-11 | | 9(5y+2)+8=15y | | -16t^2+2320-40000=0 | | 4+x=4(2x+6) | | x^2+4.5x=28 | | 72-75y^3-200y^2-27y=0 | | 3(a-3)=54 |

Equations solver categories