7x^2-46x+6=0

Simple and best practice solution for 7x^2-46x+6=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^2-46x+6=0 equation:


Simplifying
7x2 + -46x + 6 = 0

Reorder the terms:
6 + -46x + 7x2 = 0

Solving
6 + -46x + 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'.
0.8571428571 + -6.571428571x + x2 = 0

Move the constant term to the right:

Add '-0.8571428571' to each side of the equation.
0.8571428571 + -6.571428571x + -0.8571428571 + x2 = 0 + -0.8571428571

Reorder the terms:
0.8571428571 + -0.8571428571 + -6.571428571x + x2 = 0 + -0.8571428571

Combine like terms: 0.8571428571 + -0.8571428571 = 0.0000000000
0.0000000000 + -6.571428571x + x2 = 0 + -0.8571428571
-6.571428571x + x2 = 0 + -0.8571428571

Combine like terms: 0 + -0.8571428571 = -0.8571428571
-6.571428571x + x2 = -0.8571428571

The x term is -6.571428571x.  Take half its coefficient (-3.285714286).
Square it (10.79591837) and add it to both sides.

Add '10.79591837' to each side of the equation.
-6.571428571x + 10.79591837 + x2 = -0.8571428571 + 10.79591837

Reorder the terms:
10.79591837 + -6.571428571x + x2 = -0.8571428571 + 10.79591837

Combine like terms: -0.8571428571 + 10.79591837 = 9.9387755129
10.79591837 + -6.571428571x + x2 = 9.9387755129

Factor a perfect square on the left side:
(x + -3.285714286)(x + -3.285714286) = 9.9387755129

Calculate the square root of the right side: 3.152582356

Break this problem into two subproblems by setting 
(x + -3.285714286) equal to 3.152582356 and -3.152582356.

Subproblem 1

x + -3.285714286 = 3.152582356 Simplifying x + -3.285714286 = 3.152582356 Reorder the terms: -3.285714286 + x = 3.152582356 Solving -3.285714286 + x = 3.152582356 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.285714286' to each side of the equation. -3.285714286 + 3.285714286 + x = 3.152582356 + 3.285714286 Combine like terms: -3.285714286 + 3.285714286 = 0.000000000 0.000000000 + x = 3.152582356 + 3.285714286 x = 3.152582356 + 3.285714286 Combine like terms: 3.152582356 + 3.285714286 = 6.438296642 x = 6.438296642 Simplifying x = 6.438296642

Subproblem 2

x + -3.285714286 = -3.152582356 Simplifying x + -3.285714286 = -3.152582356 Reorder the terms: -3.285714286 + x = -3.152582356 Solving -3.285714286 + x = -3.152582356 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.285714286' to each side of the equation. -3.285714286 + 3.285714286 + x = -3.152582356 + 3.285714286 Combine like terms: -3.285714286 + 3.285714286 = 0.000000000 0.000000000 + x = -3.152582356 + 3.285714286 x = -3.152582356 + 3.285714286 Combine like terms: -3.152582356 + 3.285714286 = 0.13313193 x = 0.13313193 Simplifying x = 0.13313193

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.438296642, 0.13313193}

See similar equations:

| -7x^2-16x+6=0 | | 5s-18-4s=-36 | | x^4-12x^3+36x^2+48x-144=0 | | Log(12)=log(x)+log(7-x) | | 7x^2+38x+6=0 | | (9x-6)/3+2=13 | | 2-3x+1=5x-2 | | n-3.5=-10 | | x^2-26x+c=0 | | 9+3x=5x+1 | | 24=(3x)2 | | p(-5)=2x^6-49x^4+3x^3-14x^2-8x+14 | | 8x-5=3x-4 | | c-1.3=-6 | | 7x+2=2+x | | p+2.1= | | -9+a=25 | | 7x+5=4+x | | (x+xy)dx+(y+xy)dy=0 | | 7x+5=9x-2 | | x+5=8x-x | | 2n^2+8n+5=0 | | 3+5x=8+5x | | 3x+5x=8+5x | | 3x-5i=6-10yi | | 5x-7=4x+8 | | 2x+15=4x-5 | | (x-(3+2i))(x-3(3+2i))=0 | | 6(7)+Y=37 | | y=x^3-10x^2+6x | | -7r^2+140c-700=0 | | 9b-6=291 |

Equations solver categories