4x-35+x^2=0

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Solution for 4x-35+x^2=0 equation:


Simplifying
4x + -35 + x2 = 0

Reorder the terms:
-35 + 4x + x2 = 0

Solving
-35 + 4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '35' to each side of the equation.
-35 + 4x + 35 + x2 = 0 + 35

Reorder the terms:
-35 + 35 + 4x + x2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + 4x + x2 = 0 + 35
4x + x2 = 0 + 35

Combine like terms: 0 + 35 = 35
4x + x2 = 35

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 35 + 4

Reorder the terms:
4 + 4x + x2 = 35 + 4

Combine like terms: 35 + 4 = 39
4 + 4x + x2 = 39

Factor a perfect square on the left side:
(x + 2)(x + 2) = 39

Calculate the square root of the right side: 6.244997998

Break this problem into two subproblems by setting 
(x + 2) equal to 6.244997998 and -6.244997998.

Subproblem 1

x + 2 = 6.244997998 Simplifying x + 2 = 6.244997998 Reorder the terms: 2 + x = 6.244997998 Solving 2 + x = 6.244997998 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 6.244997998 + -2 Combine like terms: 2 + -2 = 0 0 + x = 6.244997998 + -2 x = 6.244997998 + -2 Combine like terms: 6.244997998 + -2 = 4.244997998 x = 4.244997998 Simplifying x = 4.244997998

Subproblem 2

x + 2 = -6.244997998 Simplifying x + 2 = -6.244997998 Reorder the terms: 2 + x = -6.244997998 Solving 2 + x = -6.244997998 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -6.244997998 + -2 Combine like terms: 2 + -2 = 0 0 + x = -6.244997998 + -2 x = -6.244997998 + -2 Combine like terms: -6.244997998 + -2 = -8.244997998 x = -8.244997998 Simplifying x = -8.244997998

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.244997998, -8.244997998}

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