x^2-35x+70=0

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Solution for x^2-35x+70=0 equation:


Simplifying
x2 + -35x + 70 = 0

Reorder the terms:
70 + -35x + x2 = 0

Solving
70 + -35x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-70' to each side of the equation.
70 + -35x + -70 + x2 = 0 + -70

Reorder the terms:
70 + -70 + -35x + x2 = 0 + -70

Combine like terms: 70 + -70 = 0
0 + -35x + x2 = 0 + -70
-35x + x2 = 0 + -70

Combine like terms: 0 + -70 = -70
-35x + x2 = -70

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 = -70 + 306.25

Reorder the terms:
306.25 + -35x + x2 = -70 + 306.25

Combine like terms: -70 + 306.25 = 236.25
306.25 + -35x + x2 = 236.25

Factor a perfect square on the left side:
(x + -17.5)(x + -17.5) = 236.25

Calculate the square root of the right side: 15.370426149

Break this problem into two subproblems by setting 
(x + -17.5) equal to 15.370426149 and -15.370426149.

Subproblem 1

x + -17.5 = 15.370426149 Simplifying x + -17.5 = 15.370426149 Reorder the terms: -17.5 + x = 15.370426149 Solving -17.5 + x = 15.370426149 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 = 15.370426149 + 17.5 Combine like terms: -17.5 + 17.5 = 0.0 0.0 + x = 15.370426149 + 17.5 x = 15.370426149 + 17.5 Combine like terms: 15.370426149 + 17.5 = 32.870426149 x = 32.870426149 Simplifying x = 32.870426149

Subproblem 2

x + -17.5 = -15.370426149 Simplifying x + -17.5 = -15.370426149 Reorder the terms: -17.5 + x = -15.370426149 Solving -17.5 + x = -15.370426149 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 = -15.370426149 + 17.5 Combine like terms: -17.5 + 17.5 = 0.0 0.0 + x = -15.370426149 + 17.5 x = -15.370426149 + 17.5 Combine like terms: -15.370426149 + 17.5 = 2.129573851 x = 2.129573851 Simplifying x = 2.129573851

Solution

The solution to the problem is based on the solutions from the subproblems. x = {32.870426149, 2.129573851}

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