-0.01x^2-0.10x+101.76=0

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Solution for -0.01x^2-0.10x+101.76=0 equation:


Simplifying
-0.01x2 + -0.10x + 101.76 = 0

Reorder the terms:
101.76 + -0.10x + -0.01x2 = 0

Solving
101.76 + -0.10x + -0.01x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.01 the coefficient of the squared term: 

Divide each side by '-0.01'.
-10176 + 10x + x2 = 0

Move the constant term to the right:

Add '10176' to each side of the equation.
-10176 + 10x + 10176 + x2 = 0 + 10176

Reorder the terms:
-10176 + 10176 + 10x + x2 = 0 + 10176

Combine like terms: -10176 + 10176 = 0
0 + 10x + x2 = 0 + 10176
10x + x2 = 0 + 10176

Combine like terms: 0 + 10176 = 10176
10x + x2 = 10176

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = 10176 + 25

Reorder the terms:
25 + 10x + x2 = 10176 + 25

Combine like terms: 10176 + 25 = 10201
25 + 10x + x2 = 10201

Factor a perfect square on the left side:
(x + 5)(x + 5) = 10201

Calculate the square root of the right side: 101

Break this problem into two subproblems by setting 
(x + 5) equal to 101 and -101.

Subproblem 1

x + 5 = 101 Simplifying x + 5 = 101 Reorder the terms: 5 + x = 101 Solving 5 + x = 101 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 101 + -5 Combine like terms: 5 + -5 = 0 0 + x = 101 + -5 x = 101 + -5 Combine like terms: 101 + -5 = 96 x = 96 Simplifying x = 96

Subproblem 2

x + 5 = -101 Simplifying x + 5 = -101 Reorder the terms: 5 + x = -101 Solving 5 + x = -101 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -101 + -5 Combine like terms: 5 + -5 = 0 0 + x = -101 + -5 x = -101 + -5 Combine like terms: -101 + -5 = -106 x = -106 Simplifying x = -106

Solution

The solution to the problem is based on the solutions from the subproblems. x = {96, -106}

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