.03x+x^2=1.5

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Solution for .03x+x^2=1.5 equation:


Simplifying
0.03x + x2 = 1.5

Solving
0.03x + x2 = 1.5

Solving for variable 'x'.

Reorder the terms:
-1.5 + 0.03x + x2 = 1.5 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
-1.5 + 0.03x + x2 = 0.0

Begin completing the square.

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + 0.03x + 1.5 + x2 = 0.0 + 1.5

Reorder the terms:
-1.5 + 1.5 + 0.03x + x2 = 0.0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 0.03x + x2 = 0.0 + 1.5
0.03x + x2 = 0.0 + 1.5

Combine like terms: 0.0 + 1.5 = 1.5
0.03x + x2 = 1.5

The x term is 0.03x.  Take half its coefficient (0.015).
Square it (0.000225) and add it to both sides.

Add '0.000225' to each side of the equation.
0.03x + 0.000225 + x2 = 1.5 + 0.000225

Reorder the terms:
0.000225 + 0.03x + x2 = 1.5 + 0.000225

Combine like terms: 1.5 + 0.000225 = 1.500225
0.000225 + 0.03x + x2 = 1.500225

Factor a perfect square on the left side:
(x + 0.015)(x + 0.015) = 1.500225

Calculate the square root of the right side: 1.224836724

Break this problem into two subproblems by setting 
(x + 0.015) equal to 1.224836724 and -1.224836724.

Subproblem 1

x + 0.015 = 1.224836724 Simplifying x + 0.015 = 1.224836724 Reorder the terms: 0.015 + x = 1.224836724 Solving 0.015 + x = 1.224836724 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.015' to each side of the equation. 0.015 + -0.015 + x = 1.224836724 + -0.015 Combine like terms: 0.015 + -0.015 = 0.000 0.000 + x = 1.224836724 + -0.015 x = 1.224836724 + -0.015 Combine like terms: 1.224836724 + -0.015 = 1.209836724 x = 1.209836724 Simplifying x = 1.209836724

Subproblem 2

x + 0.015 = -1.224836724 Simplifying x + 0.015 = -1.224836724 Reorder the terms: 0.015 + x = -1.224836724 Solving 0.015 + x = -1.224836724 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.015' to each side of the equation. 0.015 + -0.015 + x = -1.224836724 + -0.015 Combine like terms: 0.015 + -0.015 = 0.000 0.000 + x = -1.224836724 + -0.015 x = -1.224836724 + -0.015 Combine like terms: -1.224836724 + -0.015 = -1.239836724 x = -1.239836724 Simplifying x = -1.239836724

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.209836724, -1.239836724}

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