49x^2+110x-25=0

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Solution for 49x^2+110x-25=0 equation:


Simplifying
49x2 + 110x + -25 = 0

Reorder the terms:
-25 + 110x + 49x2 = 0

Solving
-25 + 110x + 49x2 = 0

Solving for variable 'x'.

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

Divide each side by '49'.
-0.5102040816 + 2.244897959x + x2 = 0

Move the constant term to the right:

Add '0.5102040816' to each side of the equation.
-0.5102040816 + 2.244897959x + 0.5102040816 + x2 = 0 + 0.5102040816

Reorder the terms:
-0.5102040816 + 0.5102040816 + 2.244897959x + x2 = 0 + 0.5102040816

Combine like terms: -0.5102040816 + 0.5102040816 = 0.0000000000
0.0000000000 + 2.244897959x + x2 = 0 + 0.5102040816
2.244897959x + x2 = 0 + 0.5102040816

Combine like terms: 0 + 0.5102040816 = 0.5102040816
2.244897959x + x2 = 0.5102040816

The x term is 2.244897959x.  Take half its coefficient (1.12244898).
Square it (1.259891713) and add it to both sides.

Add '1.259891713' to each side of the equation.
2.244897959x + 1.259891713 + x2 = 0.5102040816 + 1.259891713

Reorder the terms:
1.259891713 + 2.244897959x + x2 = 0.5102040816 + 1.259891713

Combine like terms: 0.5102040816 + 1.259891713 = 1.7700957946
1.259891713 + 2.244897959x + x2 = 1.7700957946

Factor a perfect square on the left side:
(x + 1.12244898)(x + 1.12244898) = 1.7700957946

Calculate the square root of the right side: 1.330449471

Break this problem into two subproblems by setting 
(x + 1.12244898) equal to 1.330449471 and -1.330449471.

Subproblem 1

x + 1.12244898 = 1.330449471 Simplifying x + 1.12244898 = 1.330449471 Reorder the terms: 1.12244898 + x = 1.330449471 Solving 1.12244898 + x = 1.330449471 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.12244898' to each side of the equation. 1.12244898 + -1.12244898 + x = 1.330449471 + -1.12244898 Combine like terms: 1.12244898 + -1.12244898 = 0.00000000 0.00000000 + x = 1.330449471 + -1.12244898 x = 1.330449471 + -1.12244898 Combine like terms: 1.330449471 + -1.12244898 = 0.208000491 x = 0.208000491 Simplifying x = 0.208000491

Subproblem 2

x + 1.12244898 = -1.330449471 Simplifying x + 1.12244898 = -1.330449471 Reorder the terms: 1.12244898 + x = -1.330449471 Solving 1.12244898 + x = -1.330449471 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.12244898' to each side of the equation. 1.12244898 + -1.12244898 + x = -1.330449471 + -1.12244898 Combine like terms: 1.12244898 + -1.12244898 = 0.00000000 0.00000000 + x = -1.330449471 + -1.12244898 x = -1.330449471 + -1.12244898 Combine like terms: -1.330449471 + -1.12244898 = -2.452898451 x = -2.452898451 Simplifying x = -2.452898451

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.208000491, -2.452898451}

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