x^2+35x-64=0

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Solution for x^2+35x-64=0 equation:


Simplifying
x2 + 35x + -64 = 0

Reorder the terms:
-64 + 35x + x2 = 0

Solving
-64 + 35x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '64' to each side of the equation.
-64 + 35x + 64 + x2 = 0 + 64

Reorder the terms:
-64 + 64 + 35x + x2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 35x + x2 = 0 + 64
35x + x2 = 0 + 64

Combine like terms: 0 + 64 = 64
35x + x2 = 64

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 = 64 + 306.25

Reorder the terms:
306.25 + 35x + x2 = 64 + 306.25

Combine like terms: 64 + 306.25 = 370.25
306.25 + 35x + x2 = 370.25

Factor a perfect square on the left side:
(x + 17.5)(x + 17.5) = 370.25

Calculate the square root of the right side: 19.241881405

Break this problem into two subproblems by setting 
(x + 17.5) equal to 19.241881405 and -19.241881405.

Subproblem 1

x + 17.5 = 19.241881405 Simplifying x + 17.5 = 19.241881405 Reorder the terms: 17.5 + x = 19.241881405 Solving 17.5 + x = 19.241881405 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 = 19.241881405 + -17.5 Combine like terms: 17.5 + -17.5 = 0.0 0.0 + x = 19.241881405 + -17.5 x = 19.241881405 + -17.5 Combine like terms: 19.241881405 + -17.5 = 1.741881405 x = 1.741881405 Simplifying x = 1.741881405

Subproblem 2

x + 17.5 = -19.241881405 Simplifying x + 17.5 = -19.241881405 Reorder the terms: 17.5 + x = -19.241881405 Solving 17.5 + x = -19.241881405 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 = -19.241881405 + -17.5 Combine like terms: 17.5 + -17.5 = 0.0 0.0 + x = -19.241881405 + -17.5 x = -19.241881405 + -17.5 Combine like terms: -19.241881405 + -17.5 = -36.741881405 x = -36.741881405 Simplifying x = -36.741881405

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.741881405, -36.741881405}

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