x^2-(7x-16)=x+59

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Solution for x^2-(7x-16)=x+59 equation:


Simplifying
x2 + -1(7x + -16) = x + 59

Reorder the terms:
x2 + -1(-16 + 7x) = x + 59
x2 + (-16 * -1 + 7x * -1) = x + 59
x2 + (16 + -7x) = x + 59

Reorder the terms:
16 + -7x + x2 = x + 59

Reorder the terms:
16 + -7x + x2 = 59 + x

Solving
16 + -7x + x2 = 59 + x

Solving for variable 'x'.

Reorder the terms:
16 + -59 + -7x + -1x + x2 = 59 + x + -59 + -1x

Combine like terms: 16 + -59 = -43
-43 + -7x + -1x + x2 = 59 + x + -59 + -1x

Combine like terms: -7x + -1x = -8x
-43 + -8x + x2 = 59 + x + -59 + -1x

Reorder the terms:
-43 + -8x + x2 = 59 + -59 + x + -1x

Combine like terms: 59 + -59 = 0
-43 + -8x + x2 = 0 + x + -1x
-43 + -8x + x2 = x + -1x

Combine like terms: x + -1x = 0
-43 + -8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '43' to each side of the equation.
-43 + -8x + 43 + x2 = 0 + 43

Reorder the terms:
-43 + 43 + -8x + x2 = 0 + 43

Combine like terms: -43 + 43 = 0
0 + -8x + x2 = 0 + 43
-8x + x2 = 0 + 43

Combine like terms: 0 + 43 = 43
-8x + x2 = 43

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = 43 + 16

Reorder the terms:
16 + -8x + x2 = 43 + 16

Combine like terms: 43 + 16 = 59
16 + -8x + x2 = 59

Factor a perfect square on the left side:
(x + -4)(x + -4) = 59

Calculate the square root of the right side: 7.681145748

Break this problem into two subproblems by setting 
(x + -4) equal to 7.681145748 and -7.681145748.

Subproblem 1

x + -4 = 7.681145748 Simplifying x + -4 = 7.681145748 Reorder the terms: -4 + x = 7.681145748 Solving -4 + x = 7.681145748 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 7.681145748 + 4 Combine like terms: -4 + 4 = 0 0 + x = 7.681145748 + 4 x = 7.681145748 + 4 Combine like terms: 7.681145748 + 4 = 11.681145748 x = 11.681145748 Simplifying x = 11.681145748

Subproblem 2

x + -4 = -7.681145748 Simplifying x + -4 = -7.681145748 Reorder the terms: -4 + x = -7.681145748 Solving -4 + x = -7.681145748 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -7.681145748 + 4 Combine like terms: -4 + 4 = 0 0 + x = -7.681145748 + 4 x = -7.681145748 + 4 Combine like terms: -7.681145748 + 4 = -3.681145748 x = -3.681145748 Simplifying x = -3.681145748

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.681145748, -3.681145748}

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