-16x^2+50x+25=0

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Solution for -16x^2+50x+25=0 equation:


Simplifying
-16x2 + 50x + 25 = 0

Reorder the terms:
25 + 50x + -16x2 = 0

Solving
25 + 50x + -16x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
-1.5625 + -3.125x + x2 = 0

Move the constant term to the right:

Add '1.5625' to each side of the equation.
-1.5625 + -3.125x + 1.5625 + x2 = 0 + 1.5625

Reorder the terms:
-1.5625 + 1.5625 + -3.125x + x2 = 0 + 1.5625

Combine like terms: -1.5625 + 1.5625 = 0.0000
0.0000 + -3.125x + x2 = 0 + 1.5625
-3.125x + x2 = 0 + 1.5625

Combine like terms: 0 + 1.5625 = 1.5625
-3.125x + x2 = 1.5625

The x term is -3.125x.  Take half its coefficient (-1.5625).
Square it (2.44140625) and add it to both sides.

Add '2.44140625' to each side of the equation.
-3.125x + 2.44140625 + x2 = 1.5625 + 2.44140625

Reorder the terms:
2.44140625 + -3.125x + x2 = 1.5625 + 2.44140625

Combine like terms: 1.5625 + 2.44140625 = 4.00390625
2.44140625 + -3.125x + x2 = 4.00390625

Factor a perfect square on the left side:
(x + -1.5625)(x + -1.5625) = 4.00390625

Calculate the square root of the right side: 2.000976324

Break this problem into two subproblems by setting 
(x + -1.5625) equal to 2.000976324 and -2.000976324.

Subproblem 1

x + -1.5625 = 2.000976324 Simplifying x + -1.5625 = 2.000976324 Reorder the terms: -1.5625 + x = 2.000976324 Solving -1.5625 + x = 2.000976324 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5625' to each side of the equation. -1.5625 + 1.5625 + x = 2.000976324 + 1.5625 Combine like terms: -1.5625 + 1.5625 = 0.0000 0.0000 + x = 2.000976324 + 1.5625 x = 2.000976324 + 1.5625 Combine like terms: 2.000976324 + 1.5625 = 3.563476324 x = 3.563476324 Simplifying x = 3.563476324

Subproblem 2

x + -1.5625 = -2.000976324 Simplifying x + -1.5625 = -2.000976324 Reorder the terms: -1.5625 + x = -2.000976324 Solving -1.5625 + x = -2.000976324 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5625' to each side of the equation. -1.5625 + 1.5625 + x = -2.000976324 + 1.5625 Combine like terms: -1.5625 + 1.5625 = 0.0000 0.0000 + x = -2.000976324 + 1.5625 x = -2.000976324 + 1.5625 Combine like terms: -2.000976324 + 1.5625 = -0.438476324 x = -0.438476324 Simplifying x = -0.438476324

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.563476324, -0.438476324}

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