x^2+4x+4-11x-22-7=0

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Solution for x^2+4x+4-11x-22-7=0 equation:


Simplifying
x2 + 4x + 4 + -11x + -22 + -7 = 0

Reorder the terms:
4 + -22 + -7 + 4x + -11x + x2 = 0

Combine like terms: 4 + -22 = -18
-18 + -7 + 4x + -11x + x2 = 0

Combine like terms: -18 + -7 = -25
-25 + 4x + -11x + x2 = 0

Combine like terms: 4x + -11x = -7x
-25 + -7x + x2 = 0

Solving
-25 + -7x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '25' to each side of the equation.
-25 + -7x + 25 + x2 = 0 + 25

Reorder the terms:
-25 + 25 + -7x + x2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + -7x + x2 = 0 + 25
-7x + x2 = 0 + 25

Combine like terms: 0 + 25 = 25
-7x + x2 = 25

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = 25 + 12.25

Reorder the terms:
12.25 + -7x + x2 = 25 + 12.25

Combine like terms: 25 + 12.25 = 37.25
12.25 + -7x + x2 = 37.25

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 37.25

Calculate the square root of the right side: 6.103277808

Break this problem into two subproblems by setting 
(x + -3.5) equal to 6.103277808 and -6.103277808.

Subproblem 1

x + -3.5 = 6.103277808 Simplifying x + -3.5 = 6.103277808 Reorder the terms: -3.5 + x = 6.103277808 Solving -3.5 + x = 6.103277808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 6.103277808 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 6.103277808 + 3.5 x = 6.103277808 + 3.5 Combine like terms: 6.103277808 + 3.5 = 9.603277808 x = 9.603277808 Simplifying x = 9.603277808

Subproblem 2

x + -3.5 = -6.103277808 Simplifying x + -3.5 = -6.103277808 Reorder the terms: -3.5 + x = -6.103277808 Solving -3.5 + x = -6.103277808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -6.103277808 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -6.103277808 + 3.5 x = -6.103277808 + 3.5 Combine like terms: -6.103277808 + 3.5 = -2.603277808 x = -2.603277808 Simplifying x = -2.603277808

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.603277808, -2.603277808}

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