6x^2+7=x

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


Simplifying
6x2 + 7 = x

Reorder the terms:
7 + 6x2 = x

Solving
7 + 6x2 = x

Solving for variable 'x'.

Reorder the terms:
7 + -1x + 6x2 = x + -1x

Combine like terms: x + -1x = 0
7 + -1x + 6x2 = 0

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

Divide each side by '6'.
1.166666667 + -0.1666666667x + x2 = 0

Move the constant term to the right:

Add '-1.166666667' to each side of the equation.
1.166666667 + -0.1666666667x + -1.166666667 + x2 = 0 + -1.166666667

Reorder the terms:
1.166666667 + -1.166666667 + -0.1666666667x + x2 = 0 + -1.166666667

Combine like terms: 1.166666667 + -1.166666667 = 0.000000000
0.000000000 + -0.1666666667x + x2 = 0 + -1.166666667
-0.1666666667x + x2 = 0 + -1.166666667

Combine like terms: 0 + -1.166666667 = -1.166666667
-0.1666666667x + x2 = -1.166666667

The x term is -0.1666666667x.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667x + 0.006944444447 + x2 = -1.166666667 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667x + x2 = -1.166666667 + 0.006944444447

Combine like terms: -1.166666667 + 0.006944444447 = -1.159722222553
0.006944444447 + -0.1666666667x + x2 = -1.159722222553

Factor a perfect square on the left side:
(x + -0.08333333335)(x + -0.08333333335) = -1.159722222553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4d=0.33 | | -9x-89=87-x | | (5-b)xb=6 | | 0.16x+3y=6 | | 1/2•3/8 | | -6x-9=5x-86 | | 4=(-3)/4(4)+b | | 2x+3(7x-18)=199 | | 4(p-19)-19=-15 | | 1/4x-7=13 | | 0.01(1)+0(-0.5)=0.02(-0.5)-1 | | 1/4(w-4)-3/4w=4 | | 75.25=4.25m+20 | | 4(x+10)=-7x+65 | | 5x-62=54+x | | -40-3x=62-9x | | 3y=-15x+30 | | 4x(x+10)=-7x+65 | | 2x-114=48+8x | | -6=-3(n-5) | | (-t^2+100t+200)(-0.0001t^2+0.02t+0.5)= | | 4x(x*10)=-7x+65 | | X+32=2x+42 | | 12c+-c= | | 5x^2+60=90 | | 4x+98=180 | | 2-5x=-7x+10 | | 51/2v=99 | | 3y-7y=-32+8y | | 101e^(p-3p^2/2) | | 6y^2+5X=6 | | -2x-46=-7x+39 |

Equations solver categories