p^2-p+0.16=0

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Solution for p^2-p+0.16=0 equation:


Simplifying
p2 + -1p + 0.16 = 0

Reorder the terms:
0.16 + -1p + p2 = 0

Solving
0.16 + -1p + p2 = 0

Solving for variable 'p'.

Begin completing the square.

Move the constant term to the right:

Add '-0.16' to each side of the equation.
0.16 + -1p + -0.16 + p2 = 0 + -0.16

Reorder the terms:
0.16 + -0.16 + -1p + p2 = 0 + -0.16

Combine like terms: 0.16 + -0.16 = 0.00
0.00 + -1p + p2 = 0 + -0.16
-1p + p2 = 0 + -0.16

Combine like terms: 0 + -0.16 = -0.16
-1p + p2 = -0.16

The p term is -1p.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1p + 0.25 + p2 = -0.16 + 0.25

Reorder the terms:
0.25 + -1p + p2 = -0.16 + 0.25

Combine like terms: -0.16 + 0.25 = 0.09
0.25 + -1p + p2 = 0.09

Factor a perfect square on the left side:
(p + -0.5)(p + -0.5) = 0.09

Calculate the square root of the right side: 0.3

Break this problem into two subproblems by setting 
(p + -0.5) equal to 0.3 and -0.3.

Subproblem 1

p + -0.5 = 0.3 Simplifying p + -0.5 = 0.3 Reorder the terms: -0.5 + p = 0.3 Solving -0.5 + p = 0.3 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + p = 0.3 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + p = 0.3 + 0.5 p = 0.3 + 0.5 Combine like terms: 0.3 + 0.5 = 0.8 p = 0.8 Simplifying p = 0.8

Subproblem 2

p + -0.5 = -0.3 Simplifying p + -0.5 = -0.3 Reorder the terms: -0.5 + p = -0.3 Solving -0.5 + p = -0.3 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + p = -0.3 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + p = -0.3 + 0.5 p = -0.3 + 0.5 Combine like terms: -0.3 + 0.5 = 0.2 p = 0.2 Simplifying p = 0.2

Solution

The solution to the problem is based on the solutions from the subproblems. p = {0.8, 0.2}

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