x^2-1.5x-0.5625=

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Solution for x^2-1.5x-0.5625= equation: 


Simplifying
x2 + -1.5x + -0.5625 = 0

Reorder the terms:
-0.5625 + -1.5x + x2 = 0

Solving
-0.5625 + -1.5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '0.5625' to each side of the equation.
-0.5625 + -1.5x + 0.5625 + x2 = 0 + 0.5625

Reorder the terms:
-0.5625 + 0.5625 + -1.5x + x2 = 0 + 0.5625

Combine like terms: -0.5625 + 0.5625 = 0.0000
0.0000 + -1.5x + x2 = 0 + 0.5625
-1.5x + x2 = 0 + 0.5625

Combine like terms: 0 + 0.5625 = 0.5625
-1.5x + x2 = 0.5625

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = 0.5625 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 0.5625 + 0.5625

Combine like terms: 0.5625 + 0.5625 = 1.125
0.5625 + -1.5x + x2 = 1.125

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 1.125

Calculate the square root of the right side: 1.060660172

Break this problem into two subproblems by setting 
(x + -0.75) equal to 1.060660172 and -1.060660172.


Subproblem 1
x + -0.75 = 1.060660172

Simplifying
x + -0.75 = 1.060660172

Reorder the terms:
-0.75 + x = 1.060660172

Solving
-0.75 + x = 1.060660172

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '0.75' to each side of the equation.
-0.75 + 0.75 + x = 1.060660172 + 0.75

Combine like terms: -0.75 + 0.75 = 0.00
0.00 + x = 1.060660172 + 0.75
x = 1.060660172 + 0.75

Combine like terms: 1.060660172 + 0.75 = 1.810660172
x = 1.810660172

Simplifying
x = 1.810660172


Subproblem 2
x + -0.75 = -1.060660172

Simplifying
x + -0.75 = -1.060660172

Reorder the terms:
-0.75 + x = -1.060660172

Solving
-0.75 + x = -1.060660172

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '0.75' to each side of the equation.
-0.75 + 0.75 + x = -1.060660172 + 0.75

Combine like terms: -0.75 + 0.75 = 0.00
0.00 + x = -1.060660172 + 0.75
x = -1.060660172 + 0.75

Combine like terms: -1.060660172 + 0.75 = -0.310660172
x = -0.310660172

Simplifying
x = -0.310660172


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {1.810660172, -0.310660172}

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