-9.8x^2+173x+32.5=0

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Solution for -9.8x^2+173x+32.5=0 equation:


Simplifying
-9.8x2 + 173x + 32.5 = 0

Reorder the terms:
32.5 + 173x + -9.8x2 = 0

Solving
32.5 + 173x + -9.8x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-9.8 the coefficient of the squared term: 

Divide each side by '-9.8'.
-3.316326531 + -17.65306122x + x2 = 0

Move the constant term to the right:

Add '3.316326531' to each side of the equation.
-3.316326531 + -17.65306122x + 3.316326531 + x2 = 0 + 3.316326531

Reorder the terms:
-3.316326531 + 3.316326531 + -17.65306122x + x2 = 0 + 3.316326531

Combine like terms: -3.316326531 + 3.316326531 = 0.000000000
0.000000000 + -17.65306122x + x2 = 0 + 3.316326531
-17.65306122x + x2 = 0 + 3.316326531

Combine like terms: 0 + 3.316326531 = 3.316326531
-17.65306122x + x2 = 3.316326531

The x term is -17.65306122x.  Take half its coefficient (-8.82653061).
Square it (77.90764261) and add it to both sides.

Add '77.90764261' to each side of the equation.
-17.65306122x + 77.90764261 + x2 = 3.316326531 + 77.90764261

Reorder the terms:
77.90764261 + -17.65306122x + x2 = 3.316326531 + 77.90764261

Combine like terms: 3.316326531 + 77.90764261 = 81.223969141
77.90764261 + -17.65306122x + x2 = 81.223969141

Factor a perfect square on the left side:
(x + -8.82653061)(x + -8.82653061) = 81.223969141

Calculate the square root of the right side: 9.012434141

Break this problem into two subproblems by setting 
(x + -8.82653061) equal to 9.012434141 and -9.012434141.

Subproblem 1

x + -8.82653061 = 9.012434141 Simplifying x + -8.82653061 = 9.012434141 Reorder the terms: -8.82653061 + x = 9.012434141 Solving -8.82653061 + x = 9.012434141 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.82653061' to each side of the equation. -8.82653061 + 8.82653061 + x = 9.012434141 + 8.82653061 Combine like terms: -8.82653061 + 8.82653061 = 0.00000000 0.00000000 + x = 9.012434141 + 8.82653061 x = 9.012434141 + 8.82653061 Combine like terms: 9.012434141 + 8.82653061 = 17.838964751 x = 17.838964751 Simplifying x = 17.838964751

Subproblem 2

x + -8.82653061 = -9.012434141 Simplifying x + -8.82653061 = -9.012434141 Reorder the terms: -8.82653061 + x = -9.012434141 Solving -8.82653061 + x = -9.012434141 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.82653061' to each side of the equation. -8.82653061 + 8.82653061 + x = -9.012434141 + 8.82653061 Combine like terms: -8.82653061 + 8.82653061 = 0.00000000 0.00000000 + x = -9.012434141 + 8.82653061 x = -9.012434141 + 8.82653061 Combine like terms: -9.012434141 + 8.82653061 = -0.185903531 x = -0.185903531 Simplifying x = -0.185903531

Solution

The solution to the problem is based on the solutions from the subproblems. x = {17.838964751, -0.185903531}

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