4900-140x+x^2=2450

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Solution for 4900-140x+x^2=2450 equation:


Simplifying
4900 + -140x + x2 = 2450

Solving
4900 + -140x + x2 = 2450

Solving for variable 'x'.

Reorder the terms:
4900 + -2450 + -140x + x2 = 2450 + -2450

Combine like terms: 4900 + -2450 = 2450
2450 + -140x + x2 = 2450 + -2450

Combine like terms: 2450 + -2450 = 0
2450 + -140x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-2450' to each side of the equation.
2450 + -140x + -2450 + x2 = 0 + -2450

Reorder the terms:
2450 + -2450 + -140x + x2 = 0 + -2450

Combine like terms: 2450 + -2450 = 0
0 + -140x + x2 = 0 + -2450
-140x + x2 = 0 + -2450

Combine like terms: 0 + -2450 = -2450
-140x + x2 = -2450

The x term is -140x.  Take half its coefficient (-70).
Square it (4900) and add it to both sides.

Add '4900' to each side of the equation.
-140x + 4900 + x2 = -2450 + 4900

Reorder the terms:
4900 + -140x + x2 = -2450 + 4900

Combine like terms: -2450 + 4900 = 2450
4900 + -140x + x2 = 2450

Factor a perfect square on the left side:
(x + -70)(x + -70) = 2450

Calculate the square root of the right side: 49.497474683

Break this problem into two subproblems by setting 
(x + -70) equal to 49.497474683 and -49.497474683.

Subproblem 1

x + -70 = 49.497474683 Simplifying x + -70 = 49.497474683 Reorder the terms: -70 + x = 49.497474683 Solving -70 + x = 49.497474683 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '70' to each side of the equation. -70 + 70 + x = 49.497474683 + 70 Combine like terms: -70 + 70 = 0 0 + x = 49.497474683 + 70 x = 49.497474683 + 70 Combine like terms: 49.497474683 + 70 = 119.497474683 x = 119.497474683 Simplifying x = 119.497474683

Subproblem 2

x + -70 = -49.497474683 Simplifying x + -70 = -49.497474683 Reorder the terms: -70 + x = -49.497474683 Solving -70 + x = -49.497474683 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '70' to each side of the equation. -70 + 70 + x = -49.497474683 + 70 Combine like terms: -70 + 70 = 0 0 + x = -49.497474683 + 70 x = -49.497474683 + 70 Combine like terms: -49.497474683 + 70 = 20.502525317 x = 20.502525317 Simplifying x = 20.502525317

Solution

The solution to the problem is based on the solutions from the subproblems. x = {119.497474683, 20.502525317}

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