.03x^2+1.2x-6=0

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Solution for .03x^2+1.2x-6=0 equation:


Simplifying
0.03x2 + 1.2x + -6 = 0

Reorder the terms:
-6 + 1.2x + 0.03x2 = 0

Solving
-6 + 1.2x + 0.03x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.03'.
-200 + 40x + x2 = 0

Move the constant term to the right:

Add '200' to each side of the equation.
-200 + 40x + 200 + x2 = 0 + 200

Reorder the terms:
-200 + 200 + 40x + x2 = 0 + 200

Combine like terms: -200 + 200 = 0
0 + 40x + x2 = 0 + 200
40x + x2 = 0 + 200

Combine like terms: 0 + 200 = 200
40x + x2 = 200

The x term is 40x.  Take half its coefficient (20).
Square it (400) and add it to both sides.

Add '400' to each side of the equation.
40x + 400 + x2 = 200 + 400

Reorder the terms:
400 + 40x + x2 = 200 + 400

Combine like terms: 200 + 400 = 600
400 + 40x + x2 = 600

Factor a perfect square on the left side:
(x + 20)(x + 20) = 600

Calculate the square root of the right side: 24.494897428

Break this problem into two subproblems by setting 
(x + 20) equal to 24.494897428 and -24.494897428.

Subproblem 1

x + 20 = 24.494897428 Simplifying x + 20 = 24.494897428 Reorder the terms: 20 + x = 24.494897428 Solving 20 + x = 24.494897428 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + x = 24.494897428 + -20 Combine like terms: 20 + -20 = 0 0 + x = 24.494897428 + -20 x = 24.494897428 + -20 Combine like terms: 24.494897428 + -20 = 4.494897428 x = 4.494897428 Simplifying x = 4.494897428

Subproblem 2

x + 20 = -24.494897428 Simplifying x + 20 = -24.494897428 Reorder the terms: 20 + x = -24.494897428 Solving 20 + x = -24.494897428 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + x = -24.494897428 + -20 Combine like terms: 20 + -20 = 0 0 + x = -24.494897428 + -20 x = -24.494897428 + -20 Combine like terms: -24.494897428 + -20 = -44.494897428 x = -44.494897428 Simplifying x = -44.494897428

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.494897428, -44.494897428}

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