(7x^2+x)-(6x-4)=0

Simple and best practice solution for (7x^2+x)-(6x-4)=0 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 (7x^2+x)-(6x-4)=0 equation:


Simplifying
(7x2 + x) + -1(6x + -4) = 0

Reorder the terms:
(x + 7x2) + -1(6x + -4) = 0

Remove parenthesis around (x + 7x2)
x + 7x2 + -1(6x + -4) = 0

Reorder the terms:
x + 7x2 + -1(-4 + 6x) = 0
x + 7x2 + (-4 * -1 + 6x * -1) = 0
x + 7x2 + (4 + -6x) = 0

Reorder the terms:
4 + x + -6x + 7x2 = 0

Combine like terms: x + -6x = -5x
4 + -5x + 7x2 = 0

Solving
4 + -5x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
0.5714285714 + -0.7142857143x + x2 = 0

Move the constant term to the right:

Add '-0.5714285714' to each side of the equation.
0.5714285714 + -0.7142857143x + -0.5714285714 + x2 = 0 + -0.5714285714

Reorder the terms:
0.5714285714 + -0.5714285714 + -0.7142857143x + x2 = 0 + -0.5714285714

Combine like terms: 0.5714285714 + -0.5714285714 = 0.0000000000
0.0000000000 + -0.7142857143x + x2 = 0 + -0.5714285714
-0.7142857143x + x2 = 0 + -0.5714285714

Combine like terms: 0 + -0.5714285714 = -0.5714285714
-0.7142857143x + x2 = -0.5714285714

The x term is -0.7142857143x.  Take half its coefficient (-0.3571428572).
Square it (0.1275510204) and add it to both sides.

Add '0.1275510204' to each side of the equation.
-0.7142857143x + 0.1275510204 + x2 = -0.5714285714 + 0.1275510204

Reorder the terms:
0.1275510204 + -0.7142857143x + x2 = -0.5714285714 + 0.1275510204

Combine like terms: -0.5714285714 + 0.1275510204 = -0.443877551
0.1275510204 + -0.7142857143x + x2 = -0.443877551

Factor a perfect square on the left side:
(x + -0.3571428572)(x + -0.3571428572) = -0.443877551

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2x+6=3x-x+4 | | 7(4n-5m-2)=a | | y=200x+900 | | x/1.00-x=.80 | | .80=x/1-x | | 10(b+4c)=a | | x+4=3(x-28+4) | | 24=2w+2(w+3) | | 9x^2-30x+21=0 | | -5+3(8x-1)=-56 | | 3x^3+48x^2-108x= | | 3x^3+48x^2-108= | | 8x+10=13x+15 | | 62(-1+2y)+ay=-62 | | 15q+10=55 | | S^5/3t^2/s^3/9t^4 | | (v/4)=(3v/5)-(9-v/10) | | 1/100 | | 2x^2-20x+49=19 | | 8+8=17 | | 6-11=2 | | 12+9=15 | | 7h-19=30 | | 7h+6= | | 2x^2+3x-114=0 | | 10+12=29 | | 3x-6i=27+yi | | 19-1=3 | | 4(x+(-7))+12=20 | | log[9](2x-13)+log[9]7=log[9]14 | | 35=20/x | | 10x-4=5x+2 |

Equations solver categories