(x+5)(x+5)=35

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Solution for (x+5)(x+5)=35 equation:


Simplifying
(x + 5)(x + 5) = 35

Reorder the terms:
(5 + x)(x + 5) = 35

Reorder the terms:
(5 + x)(5 + x) = 35

Multiply (5 + x) * (5 + x)
(5(5 + x) + x(5 + x)) = 35
((5 * 5 + x * 5) + x(5 + x)) = 35
((25 + 5x) + x(5 + x)) = 35
(25 + 5x + (5 * x + x * x)) = 35
(25 + 5x + (5x + x2)) = 35

Combine like terms: 5x + 5x = 10x
(25 + 10x + x2) = 35

Solving
25 + 10x + x2 = 35

Solving for variable 'x'.

Reorder the terms:
25 + -35 + 10x + x2 = 35 + -35

Combine like terms: 25 + -35 = -10
-10 + 10x + x2 = 35 + -35

Combine like terms: 35 + -35 = 0
-10 + 10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + 10x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + 10x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 10x + x2 = 0 + 10
10x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
10x + x2 = 10

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = 10 + 25

Reorder the terms:
25 + 10x + x2 = 10 + 25

Combine like terms: 10 + 25 = 35
25 + 10x + x2 = 35

Factor a perfect square on the left side:
(x + 5)(x + 5) = 35

Calculate the square root of the right side: 5.916079783

Break this problem into two subproblems by setting 
(x + 5) equal to 5.916079783 and -5.916079783.

Subproblem 1

x + 5 = 5.916079783 Simplifying x + 5 = 5.916079783 Reorder the terms: 5 + x = 5.916079783 Solving 5 + x = 5.916079783 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 5.916079783 + -5 Combine like terms: 5 + -5 = 0 0 + x = 5.916079783 + -5 x = 5.916079783 + -5 Combine like terms: 5.916079783 + -5 = 0.916079783 x = 0.916079783 Simplifying x = 0.916079783

Subproblem 2

x + 5 = -5.916079783 Simplifying x + 5 = -5.916079783 Reorder the terms: 5 + x = -5.916079783 Solving 5 + x = -5.916079783 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -5.916079783 + -5 Combine like terms: 5 + -5 = 0 0 + x = -5.916079783 + -5 x = -5.916079783 + -5 Combine like terms: -5.916079783 + -5 = -10.916079783 x = -10.916079783 Simplifying x = -10.916079783

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.916079783, -10.916079783}

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