4.905x^2+2.551x=0.332

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Solution for 4.905x^2+2.551x=0.332 equation:


Simplifying
4.905x2 + 2.551x = 0.332

Reorder the terms:
2.551x + 4.905x2 = 0.332

Solving
2.551x + 4.905x2 = 0.332

Solving for variable 'x'.

Reorder the terms:
-0.332 + 2.551x + 4.905x2 = 0.332 + -0.332

Combine like terms: 0.332 + -0.332 = 0.000
-0.332 + 2.551x + 4.905x2 = 0.000

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

Divide each side by '4.905'.
-0.06768603466 + 0.5200815494x + x2 = 0

Move the constant term to the right:

Add '0.06768603466' to each side of the equation.
-0.06768603466 + 0.5200815494x + 0.06768603466 + x2 = 0 + 0.06768603466

Reorder the terms:
-0.06768603466 + 0.06768603466 + 0.5200815494x + x2 = 0 + 0.06768603466

Combine like terms: -0.06768603466 + 0.06768603466 = 0.00000000000
0.00000000000 + 0.5200815494x + x2 = 0 + 0.06768603466
0.5200815494x + x2 = 0 + 0.06768603466

Combine like terms: 0 + 0.06768603466 = 0.06768603466
0.5200815494x + x2 = 0.06768603466

The x term is 0.5200815494x.  Take half its coefficient (0.2600407747).
Square it (0.06762120451) and add it to both sides.

Add '0.06762120451' to each side of the equation.
0.5200815494x + 0.06762120451 + x2 = 0.06768603466 + 0.06762120451

Reorder the terms:
0.06762120451 + 0.5200815494x + x2 = 0.06768603466 + 0.06762120451

Combine like terms: 0.06768603466 + 0.06762120451 = 0.13530723917
0.06762120451 + 0.5200815494x + x2 = 0.13530723917

Factor a perfect square on the left side:
(x + 0.2600407747)(x + 0.2600407747) = 0.13530723917

Calculate the square root of the right side: 0.367841323

Break this problem into two subproblems by setting 
(x + 0.2600407747) equal to 0.367841323 and -0.367841323.

Subproblem 1

x + 0.2600407747 = 0.367841323 Simplifying x + 0.2600407747 = 0.367841323 Reorder the terms: 0.2600407747 + x = 0.367841323 Solving 0.2600407747 + x = 0.367841323 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2600407747' to each side of the equation. 0.2600407747 + -0.2600407747 + x = 0.367841323 + -0.2600407747 Combine like terms: 0.2600407747 + -0.2600407747 = 0.0000000000 0.0000000000 + x = 0.367841323 + -0.2600407747 x = 0.367841323 + -0.2600407747 Combine like terms: 0.367841323 + -0.2600407747 = 0.1078005483 x = 0.1078005483 Simplifying x = 0.1078005483

Subproblem 2

x + 0.2600407747 = -0.367841323 Simplifying x + 0.2600407747 = -0.367841323 Reorder the terms: 0.2600407747 + x = -0.367841323 Solving 0.2600407747 + x = -0.367841323 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2600407747' to each side of the equation. 0.2600407747 + -0.2600407747 + x = -0.367841323 + -0.2600407747 Combine like terms: 0.2600407747 + -0.2600407747 = 0.0000000000 0.0000000000 + x = -0.367841323 + -0.2600407747 x = -0.367841323 + -0.2600407747 Combine like terms: -0.367841323 + -0.2600407747 = -0.6278820977 x = -0.6278820977 Simplifying x = -0.6278820977

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.1078005483, -0.6278820977}

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