-4.905x^2+1.69x-0.03=0

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Solution for -4.905x^2+1.69x-0.03=0 equation:


Simplifying
-4.905x2 + 1.69x + -0.03 = 0

Reorder the terms:
-0.03 + 1.69x + -4.905x2 = 0

Solving
-0.03 + 1.69x + -4.905x2 = 0

Solving for variable 'x'.

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

Divide each side by '-4.905'.
0.006116207951 + -0.3445463812x + x2 = 0

Move the constant term to the right:

Add '-0.006116207951' to each side of the equation.
0.006116207951 + -0.3445463812x + -0.006116207951 + x2 = 0 + -0.006116207951

Reorder the terms:
0.006116207951 + -0.006116207951 + -0.3445463812x + x2 = 0 + -0.006116207951

Combine like terms: 0.006116207951 + -0.006116207951 = 0.000000000000
0.000000000000 + -0.3445463812x + x2 = 0 + -0.006116207951
-0.3445463812x + x2 = 0 + -0.006116207951

Combine like terms: 0 + -0.006116207951 = -0.006116207951
-0.3445463812x + x2 = -0.006116207951

The x term is -0.3445463812x.  Take half its coefficient (-0.1722731906).
Square it (0.02967805220) and add it to both sides.

Add '0.02967805220' to each side of the equation.
-0.3445463812x + 0.02967805220 + x2 = -0.006116207951 + 0.02967805220

Reorder the terms:
0.02967805220 + -0.3445463812x + x2 = -0.006116207951 + 0.02967805220

Combine like terms: -0.006116207951 + 0.02967805220 = 0.023561844249
0.02967805220 + -0.3445463812x + x2 = 0.023561844249

Factor a perfect square on the left side:
(x + -0.1722731906)(x + -0.1722731906) = 0.023561844249

Calculate the square root of the right side: 0.153498678

Break this problem into two subproblems by setting 
(x + -0.1722731906) equal to 0.153498678 and -0.153498678.

Subproblem 1

x + -0.1722731906 = 0.153498678 Simplifying x + -0.1722731906 = 0.153498678 Reorder the terms: -0.1722731906 + x = 0.153498678 Solving -0.1722731906 + x = 0.153498678 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1722731906' to each side of the equation. -0.1722731906 + 0.1722731906 + x = 0.153498678 + 0.1722731906 Combine like terms: -0.1722731906 + 0.1722731906 = 0.0000000000 0.0000000000 + x = 0.153498678 + 0.1722731906 x = 0.153498678 + 0.1722731906 Combine like terms: 0.153498678 + 0.1722731906 = 0.3257718686 x = 0.3257718686 Simplifying x = 0.3257718686

Subproblem 2

x + -0.1722731906 = -0.153498678 Simplifying x + -0.1722731906 = -0.153498678 Reorder the terms: -0.1722731906 + x = -0.153498678 Solving -0.1722731906 + x = -0.153498678 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1722731906' to each side of the equation. -0.1722731906 + 0.1722731906 + x = -0.153498678 + 0.1722731906 Combine like terms: -0.1722731906 + 0.1722731906 = 0.0000000000 0.0000000000 + x = -0.153498678 + 0.1722731906 x = -0.153498678 + 0.1722731906 Combine like terms: -0.153498678 + 0.1722731906 = 0.0187745126 x = 0.0187745126 Simplifying x = 0.0187745126

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.3257718686, 0.0187745126}

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