49x-x^2=-30

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Solution for 49x-x^2=-30 equation:


Simplifying
49x + -1x2 = -30

Solving
49x + -1x2 = -30

Solving for variable 'x'.

Reorder the terms:
30 + 49x + -1x2 = -30 + 30

Combine like terms: -30 + 30 = 0
30 + 49x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-30 + -49x + x2 = 0

Move the constant term to the right:

Add '30' to each side of the equation.
-30 + -49x + 30 + x2 = 0 + 30

Reorder the terms:
-30 + 30 + -49x + x2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + -49x + x2 = 0 + 30
-49x + x2 = 0 + 30

Combine like terms: 0 + 30 = 30
-49x + x2 = 30

The x term is -49x.  Take half its coefficient (-24.5).
Square it (600.25) and add it to both sides.

Add '600.25' to each side of the equation.
-49x + 600.25 + x2 = 30 + 600.25

Reorder the terms:
600.25 + -49x + x2 = 30 + 600.25

Combine like terms: 30 + 600.25 = 630.25
600.25 + -49x + x2 = 630.25

Factor a perfect square on the left side:
(x + -24.5)(x + -24.5) = 630.25

Calculate the square root of the right side: 25.104780421

Break this problem into two subproblems by setting 
(x + -24.5) equal to 25.104780421 and -25.104780421.

Subproblem 1

x + -24.5 = 25.104780421 Simplifying x + -24.5 = 25.104780421 Reorder the terms: -24.5 + x = 25.104780421 Solving -24.5 + x = 25.104780421 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + x = 25.104780421 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + x = 25.104780421 + 24.5 x = 25.104780421 + 24.5 Combine like terms: 25.104780421 + 24.5 = 49.604780421 x = 49.604780421 Simplifying x = 49.604780421

Subproblem 2

x + -24.5 = -25.104780421 Simplifying x + -24.5 = -25.104780421 Reorder the terms: -24.5 + x = -25.104780421 Solving -24.5 + x = -25.104780421 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + x = -25.104780421 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + x = -25.104780421 + 24.5 x = -25.104780421 + 24.5 Combine like terms: -25.104780421 + 24.5 = -0.604780421 x = -0.604780421 Simplifying x = -0.604780421

Solution

The solution to the problem is based on the solutions from the subproblems. x = {49.604780421, -0.604780421}

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