x^2+61x=60

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Solution for x^2+61x=60 equation:


Simplifying
x2 + 61x = 60

Reorder the terms:
61x + x2 = 60

Solving
61x + x2 = 60

Solving for variable 'x'.

Reorder the terms:
-60 + 61x + x2 = 60 + -60

Combine like terms: 60 + -60 = 0
-60 + 61x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '60' to each side of the equation.
-60 + 61x + 60 + x2 = 0 + 60

Reorder the terms:
-60 + 60 + 61x + x2 = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 61x + x2 = 0 + 60
61x + x2 = 0 + 60

Combine like terms: 0 + 60 = 60
61x + x2 = 60

The x term is 61x.  Take half its coefficient (30.5).
Square it (930.25) and add it to both sides.

Add '930.25' to each side of the equation.
61x + 930.25 + x2 = 60 + 930.25

Reorder the terms:
930.25 + 61x + x2 = 60 + 930.25

Combine like terms: 60 + 930.25 = 990.25
930.25 + 61x + x2 = 990.25

Factor a perfect square on the left side:
(x + 30.5)(x + 30.5) = 990.25

Calculate the square root of the right side: 31.468237955

Break this problem into two subproblems by setting 
(x + 30.5) equal to 31.468237955 and -31.468237955.

Subproblem 1

x + 30.5 = 31.468237955 Simplifying x + 30.5 = 31.468237955 Reorder the terms: 30.5 + x = 31.468237955 Solving 30.5 + x = 31.468237955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-30.5' to each side of the equation. 30.5 + -30.5 + x = 31.468237955 + -30.5 Combine like terms: 30.5 + -30.5 = 0.0 0.0 + x = 31.468237955 + -30.5 x = 31.468237955 + -30.5 Combine like terms: 31.468237955 + -30.5 = 0.968237955 x = 0.968237955 Simplifying x = 0.968237955

Subproblem 2

x + 30.5 = -31.468237955 Simplifying x + 30.5 = -31.468237955 Reorder the terms: 30.5 + x = -31.468237955 Solving 30.5 + x = -31.468237955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-30.5' to each side of the equation. 30.5 + -30.5 + x = -31.468237955 + -30.5 Combine like terms: 30.5 + -30.5 = 0.0 0.0 + x = -31.468237955 + -30.5 x = -31.468237955 + -30.5 Combine like terms: -31.468237955 + -30.5 = -61.968237955 x = -61.968237955 Simplifying x = -61.968237955

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.968237955, -61.968237955}

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