6=.0002x^2-.316x+127.9

Simple and best practice solution for 6=.0002x^2-.316x+127.9 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 6=.0002x^2-.316x+127.9 equation:


Simplifying
6 = 0.0002x2 + -0.316x + 127.9

Reorder the terms:
6 = 127.9 + -0.316x + 0.0002x2

Solving
6 = 127.9 + -0.316x + 0.0002x2

Solving for variable 'x'.

Combine like terms: 6 + -127.9 = -121.9
-121.9 + 0.316x + -0.0002x2 = 127.9 + -0.316x + 0.0002x2 + -127.9 + 0.316x + -0.0002x2

Reorder the terms:
-121.9 + 0.316x + -0.0002x2 = 127.9 + -127.9 + -0.316x + 0.316x + 0.0002x2 + -0.0002x2

Combine like terms: 127.9 + -127.9 = 0.0
-121.9 + 0.316x + -0.0002x2 = 0.0 + -0.316x + 0.316x + 0.0002x2 + -0.0002x2
-121.9 + 0.316x + -0.0002x2 = -0.316x + 0.316x + 0.0002x2 + -0.0002x2

Combine like terms: -0.316x + 0.316x = 0.000
-121.9 + 0.316x + -0.0002x2 = 0.000 + 0.0002x2 + -0.0002x2
-121.9 + 0.316x + -0.0002x2 = 0.0002x2 + -0.0002x2

Combine like terms: 0.0002x2 + -0.0002x2 = 0.0000
-121.9 + 0.316x + -0.0002x2 = 0.0000

Begin completing the square.  Divide all terms by
-0.0002 the coefficient of the squared term: 

Divide each side by '-0.0002'.
609500 + -1580x + x2 = 0

Move the constant term to the right:

Add '-609500' to each side of the equation.
609500 + -1580x + -609500 + x2 = 0 + -609500

Reorder the terms:
609500 + -609500 + -1580x + x2 = 0 + -609500

Combine like terms: 609500 + -609500 = 0
0 + -1580x + x2 = 0 + -609500
-1580x + x2 = 0 + -609500

Combine like terms: 0 + -609500 = -609500
-1580x + x2 = -609500

The x term is -1580x.  Take half its coefficient (-790).
Square it (624100) and add it to both sides.

Add '624100' to each side of the equation.
-1580x + 624100 + x2 = -609500 + 624100

Reorder the terms:
624100 + -1580x + x2 = -609500 + 624100

Combine like terms: -609500 + 624100 = 14600
624100 + -1580x + x2 = 14600

Factor a perfect square on the left side:
(x + -790)(x + -790) = 14600

Calculate the square root of the right side: 120.830459736

Break this problem into two subproblems by setting 
(x + -790) equal to 120.830459736 and -120.830459736.

Subproblem 1

x + -790 = 120.830459736 Simplifying x + -790 = 120.830459736 Reorder the terms: -790 + x = 120.830459736 Solving -790 + x = 120.830459736 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '790' to each side of the equation. -790 + 790 + x = 120.830459736 + 790 Combine like terms: -790 + 790 = 0 0 + x = 120.830459736 + 790 x = 120.830459736 + 790 Combine like terms: 120.830459736 + 790 = 910.830459736 x = 910.830459736 Simplifying x = 910.830459736

Subproblem 2

x + -790 = -120.830459736 Simplifying x + -790 = -120.830459736 Reorder the terms: -790 + x = -120.830459736 Solving -790 + x = -120.830459736 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '790' to each side of the equation. -790 + 790 + x = -120.830459736 + 790 Combine like terms: -790 + 790 = 0 0 + x = -120.830459736 + 790 x = -120.830459736 + 790 Combine like terms: -120.830459736 + 790 = 669.169540264 x = 669.169540264 Simplifying x = 669.169540264

Solution

The solution to the problem is based on the solutions from the subproblems. x = {910.830459736, 669.169540264}

See similar equations:

| 24=7x-4(2x-4) | | 3x=4y | | 4x-6=9x+1 | | 2(4x-3)-8=-3(4x-5) | | -p-6p=0 | | 0.58333333333x-0.25=5 | | 6u+14= | | 118=2x-3(4x+12) | | 5(3x-4)-3x-2=14 | | 90=12X-16 | | 6u+14=-12-2u | | 12=-4*-6x-3 | | (28-4)/2=x | | 0x=8 | | 5*n-18-4*n=-36 | | 3-2(2w+7)= | | 0=6x+3x | | 5n^2-22=-3n | | 7x-2(4x-6)=15 | | 4x+16=6x+12 | | v+4y-2y+5v= | | 8x+4=(4x-3) | | 5k+6k=11 | | 10-v-17v=4 | | 3(y+2)=16(2y) | | -7h-4h-3= | | 5y^2-2=-3y | | 2-f=(f/5) | | g(x)=3x-2 | | 2-2n-4n=8 | | 5xn-18-4xn=-36 | | 3(y+2)=6(2y) |

Equations solver categories