X^2-60X+20=

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Solution for X^2-60X+20= equation:


Simplifying
X2 + -60X + 20 = 0

Reorder the terms:
20 + -60X + X2 = 0

Solving
20 + -60X + X2 = 0

Solving for variable 'X'.

Begin completing the square.

Move the constant term to the right:

Add '-20' to each side of the equation.
20 + -60X + -20 + X2 = 0 + -20

Reorder the terms:
20 + -20 + -60X + X2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -60X + X2 = 0 + -20
-60X + X2 = 0 + -20

Combine like terms: 0 + -20 = -20
-60X + X2 = -20

The X term is -60X.  Take half its coefficient (-30).
Square it (900) and add it to both sides.

Add '900' to each side of the equation.
-60X + 900 + X2 = -20 + 900

Reorder the terms:
900 + -60X + X2 = -20 + 900

Combine like terms: -20 + 900 = 880
900 + -60X + X2 = 880

Factor a perfect square on the left side:
(X + -30)(X + -30) = 880

Calculate the square root of the right side: 29.664793948

Break this problem into two subproblems by setting 
(X + -30) equal to 29.664793948 and -29.664793948.

Subproblem 1

X + -30 = 29.664793948 Simplifying X + -30 = 29.664793948 Reorder the terms: -30 + X = 29.664793948 Solving -30 + X = 29.664793948 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + X = 29.664793948 + 30 Combine like terms: -30 + 30 = 0 0 + X = 29.664793948 + 30 X = 29.664793948 + 30 Combine like terms: 29.664793948 + 30 = 59.664793948 X = 59.664793948 Simplifying X = 59.664793948

Subproblem 2

X + -30 = -29.664793948 Simplifying X + -30 = -29.664793948 Reorder the terms: -30 + X = -29.664793948 Solving -30 + X = -29.664793948 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + X = -29.664793948 + 30 Combine like terms: -30 + 30 = 0 0 + X = -29.664793948 + 30 X = -29.664793948 + 30 Combine like terms: -29.664793948 + 30 = 0.335206052 X = 0.335206052 Simplifying X = 0.335206052

Solution

The solution to the problem is based on the solutions from the subproblems. X = {59.664793948, 0.335206052}

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