(x)(x)-2x-60=-7

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Solution for (x)(x)-2x-60=-7 equation:


Simplifying
(x)(x) + -2x + -60 = -7

Multiply x * x
x2 + -2x + -60 = -7

Reorder the terms:
-60 + -2x + x2 = -7

Solving
-60 + -2x + x2 = -7

Solving for variable 'x'.

Reorder the terms:
-60 + 7 + -2x + x2 = -7 + 7

Combine like terms: -60 + 7 = -53
-53 + -2x + x2 = -7 + 7

Combine like terms: -7 + 7 = 0
-53 + -2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '53' to each side of the equation.
-53 + -2x + 53 + x2 = 0 + 53

Reorder the terms:
-53 + 53 + -2x + x2 = 0 + 53

Combine like terms: -53 + 53 = 0
0 + -2x + x2 = 0 + 53
-2x + x2 = 0 + 53

Combine like terms: 0 + 53 = 53
-2x + x2 = 53

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 53 + 1

Reorder the terms:
1 + -2x + x2 = 53 + 1

Combine like terms: 53 + 1 = 54
1 + -2x + x2 = 54

Factor a perfect square on the left side:
(x + -1)(x + -1) = 54

Calculate the square root of the right side: 7.348469228

Break this problem into two subproblems by setting 
(x + -1) equal to 7.348469228 and -7.348469228.

Subproblem 1

x + -1 = 7.348469228 Simplifying x + -1 = 7.348469228 Reorder the terms: -1 + x = 7.348469228 Solving -1 + x = 7.348469228 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 7.348469228 + 1 Combine like terms: -1 + 1 = 0 0 + x = 7.348469228 + 1 x = 7.348469228 + 1 Combine like terms: 7.348469228 + 1 = 8.348469228 x = 8.348469228 Simplifying x = 8.348469228

Subproblem 2

x + -1 = -7.348469228 Simplifying x + -1 = -7.348469228 Reorder the terms: -1 + x = -7.348469228 Solving -1 + x = -7.348469228 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -7.348469228 + 1 Combine like terms: -1 + 1 = 0 0 + x = -7.348469228 + 1 x = -7.348469228 + 1 Combine like terms: -7.348469228 + 1 = -6.348469228 x = -6.348469228 Simplifying x = -6.348469228

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.348469228, -6.348469228}

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