x^2-35x+9=0

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Solution for x^2-35x+9=0 equation:


Simplifying
x2 + -35x + 9 = 0

Reorder the terms:
9 + -35x + x2 = 0

Solving
9 + -35x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + -35x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + -35x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -35x + x2 = 0 + -9
-35x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-35x + x2 = -9

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 = -9 + 306.25

Reorder the terms:
306.25 + -35x + x2 = -9 + 306.25

Combine like terms: -9 + 306.25 = 297.25
306.25 + -35x + x2 = 297.25

Factor a perfect square on the left side:
(x + -17.5)(x + -17.5) = 297.25

Calculate the square root of the right side: 17.24093965

Break this problem into two subproblems by setting 
(x + -17.5) equal to 17.24093965 and -17.24093965.

Subproblem 1

x + -17.5 = 17.24093965 Simplifying x + -17.5 = 17.24093965 Reorder the terms: -17.5 + x = 17.24093965 Solving -17.5 + x = 17.24093965 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 = 17.24093965 + 17.5 Combine like terms: -17.5 + 17.5 = 0.0 0.0 + x = 17.24093965 + 17.5 x = 17.24093965 + 17.5 Combine like terms: 17.24093965 + 17.5 = 34.74093965 x = 34.74093965 Simplifying x = 34.74093965

Subproblem 2

x + -17.5 = -17.24093965 Simplifying x + -17.5 = -17.24093965 Reorder the terms: -17.5 + x = -17.24093965 Solving -17.5 + x = -17.24093965 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 = -17.24093965 + 17.5 Combine like terms: -17.5 + 17.5 = 0.0 0.0 + x = -17.24093965 + 17.5 x = -17.24093965 + 17.5 Combine like terms: -17.24093965 + 17.5 = 0.25906035 x = 0.25906035 Simplifying x = 0.25906035

Solution

The solution to the problem is based on the solutions from the subproblems. x = {34.74093965, 0.25906035}

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