0.5X^2+3X-2=0.03

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Solution for 0.5X^2+3X-2=0.03 equation:


Simplifying
0.5X2 + 3X + -2 = 0.03

Reorder the terms:
-2 + 3X + 0.5X2 = 0.03

Solving
-2 + 3X + 0.5X2 = 0.03

Solving for variable 'X'.

Reorder the terms:
-2 + -0.03 + 3X + 0.5X2 = 0.03 + -0.03

Combine like terms: -2 + -0.03 = -2.03
-2.03 + 3X + 0.5X2 = 0.03 + -0.03

Combine like terms: 0.03 + -0.03 = 0.00
-2.03 + 3X + 0.5X2 = 0.00

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

Divide each side by '0.5'.
-4.06 + 6X + X2 = 0.0

Move the constant term to the right:

Add '4.06' to each side of the equation.
-4.06 + 6X + 4.06 + X2 = 0.0 + 4.06

Reorder the terms:
-4.06 + 4.06 + 6X + X2 = 0.0 + 4.06

Combine like terms: -4.06 + 4.06 = 0.00
0.00 + 6X + X2 = 0.0 + 4.06
6X + X2 = 0.0 + 4.06

Combine like terms: 0.0 + 4.06 = 4.06
6X + X2 = 4.06

The X term is 6X.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6X + 9 + X2 = 4.06 + 9

Reorder the terms:
9 + 6X + X2 = 4.06 + 9

Combine like terms: 4.06 + 9 = 13.06
9 + 6X + X2 = 13.06

Factor a perfect square on the left side:
(X + 3)(X + 3) = 13.06

Calculate the square root of the right side: 3.6138622

Break this problem into two subproblems by setting 
(X + 3) equal to 3.6138622 and -3.6138622.

Subproblem 1

X + 3 = 3.6138622 Simplifying X + 3 = 3.6138622 Reorder the terms: 3 + X = 3.6138622 Solving 3 + X = 3.6138622 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + X = 3.6138622 + -3 Combine like terms: 3 + -3 = 0 0 + X = 3.6138622 + -3 X = 3.6138622 + -3 Combine like terms: 3.6138622 + -3 = 0.6138622 X = 0.6138622 Simplifying X = 0.6138622

Subproblem 2

X + 3 = -3.6138622 Simplifying X + 3 = -3.6138622 Reorder the terms: 3 + X = -3.6138622 Solving 3 + X = -3.6138622 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + X = -3.6138622 + -3 Combine like terms: 3 + -3 = 0 0 + X = -3.6138622 + -3 X = -3.6138622 + -3 Combine like terms: -3.6138622 + -3 = -6.6138622 X = -6.6138622 Simplifying X = -6.6138622

Solution

The solution to the problem is based on the solutions from the subproblems. X = {0.6138622, -6.6138622}

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