3x^2-7000x+1750000=0

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Solution for 3x^2-7000x+1750000=0 equation:


Simplifying
3x2 + -7000x + 1750000 = 0

Reorder the terms:
1750000 + -7000x + 3x2 = 0

Solving
1750000 + -7000x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
583333.3333 + -2333.333333x + x2 = 0

Move the constant term to the right:

Add '-583333.3333' to each side of the equation.
583333.3333 + -2333.333333x + -583333.3333 + x2 = 0 + -583333.3333

Reorder the terms:
583333.3333 + -583333.3333 + -2333.333333x + x2 = 0 + -583333.3333

Combine like terms: 583333.3333 + -583333.3333 = 0.0000
0.0000 + -2333.333333x + x2 = 0 + -583333.3333
-2333.333333x + x2 = 0 + -583333.3333

Combine like terms: 0 + -583333.3333 = -583333.3333
-2333.333333x + x2 = -583333.3333

The x term is -2333.333333x.  Take half its coefficient (-1166.666667).
Square it (1361111.112) and add it to both sides.

Add '1361111.112' to each side of the equation.
-2333.333333x + 1361111.112 + x2 = -583333.3333 + 1361111.112

Reorder the terms:
1361111.112 + -2333.333333x + x2 = -583333.3333 + 1361111.112

Combine like terms: -583333.3333 + 1361111.112 = 777777.7787
1361111.112 + -2333.333333x + x2 = 777777.7787

Factor a perfect square on the left side:
(x + -1166.666667)(x + -1166.666667) = 777777.7787

Calculate the square root of the right side: 881.917104211

Break this problem into two subproblems by setting 
(x + -1166.666667) equal to 881.917104211 and -881.917104211.

Subproblem 1

x + -1166.666667 = 881.917104211 Simplifying x + -1166.666667 = 881.917104211 Reorder the terms: -1166.666667 + x = 881.917104211 Solving -1166.666667 + x = 881.917104211 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1166.666667' to each side of the equation. -1166.666667 + 1166.666667 + x = 881.917104211 + 1166.666667 Combine like terms: -1166.666667 + 1166.666667 = 0.000000 0.000000 + x = 881.917104211 + 1166.666667 x = 881.917104211 + 1166.666667 Combine like terms: 881.917104211 + 1166.666667 = 2048.583771211 x = 2048.583771211 Simplifying x = 2048.583771211

Subproblem 2

x + -1166.666667 = -881.917104211 Simplifying x + -1166.666667 = -881.917104211 Reorder the terms: -1166.666667 + x = -881.917104211 Solving -1166.666667 + x = -881.917104211 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1166.666667' to each side of the equation. -1166.666667 + 1166.666667 + x = -881.917104211 + 1166.666667 Combine like terms: -1166.666667 + 1166.666667 = 0.000000 0.000000 + x = -881.917104211 + 1166.666667 x = -881.917104211 + 1166.666667 Combine like terms: -881.917104211 + 1166.666667 = 284.749562789 x = 284.749562789 Simplifying x = 284.749562789

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2048.583771211, 284.749562789}

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