x^2+35x+7=

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Solution for x^2+35x+7= equation:


Simplifying
x2 + 35x + 7 = 0

Reorder the terms:
7 + 35x + x2 = 0

Solving
7 + 35x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + 35x + -7 + x2 = 0 + -7

Reorder the terms:
7 + -7 + 35x + x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 35x + x2 = 0 + -7
35x + x2 = 0 + -7

Combine like terms: 0 + -7 = -7
35x + x2 = -7

The x term is 35x.  Take half its coefficient (17.5).
Square it (306.25) and add it to both sides.

Add '306.25' to each side of the equation.
35x + 306.25 + x2 = -7 + 306.25

Reorder the terms:
306.25 + 35x + x2 = -7 + 306.25

Combine like terms: -7 + 306.25 = 299.25
306.25 + 35x + x2 = 299.25

Factor a perfect square on the left side:
(x + 17.5)(x + 17.5) = 299.25

Calculate the square root of the right side: 17.298843892

Break this problem into two subproblems by setting 
(x + 17.5) equal to 17.298843892 and -17.298843892.

Subproblem 1

x + 17.5 = 17.298843892 Simplifying x + 17.5 = 17.298843892 Reorder the terms: 17.5 + x = 17.298843892 Solving 17.5 + x = 17.298843892 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17.5' to each side of the equation. 17.5 + -17.5 + x = 17.298843892 + -17.5 Combine like terms: 17.5 + -17.5 = 0.0 0.0 + x = 17.298843892 + -17.5 x = 17.298843892 + -17.5 Combine like terms: 17.298843892 + -17.5 = -0.201156108 x = -0.201156108 Simplifying x = -0.201156108

Subproblem 2

x + 17.5 = -17.298843892 Simplifying x + 17.5 = -17.298843892 Reorder the terms: 17.5 + x = -17.298843892 Solving 17.5 + x = -17.298843892 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17.5' to each side of the equation. 17.5 + -17.5 + x = -17.298843892 + -17.5 Combine like terms: 17.5 + -17.5 = 0.0 0.0 + x = -17.298843892 + -17.5 x = -17.298843892 + -17.5 Combine like terms: -17.298843892 + -17.5 = -34.798843892 x = -34.798843892 Simplifying x = -34.798843892

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.201156108, -34.798843892}

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