r^2-44r-35=0

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Solution for r^2-44r-35=0 equation:


Simplifying
r2 + -44r + -35 = 0

Reorder the terms:
-35 + -44r + r2 = 0

Solving
-35 + -44r + r2 = 0

Solving for variable 'r'.

Begin completing the square.

Move the constant term to the right:

Add '35' to each side of the equation.
-35 + -44r + 35 + r2 = 0 + 35

Reorder the terms:
-35 + 35 + -44r + r2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + -44r + r2 = 0 + 35
-44r + r2 = 0 + 35

Combine like terms: 0 + 35 = 35
-44r + r2 = 35

The r term is -44r.  Take half its coefficient (-22).
Square it (484) and add it to both sides.

Add '484' to each side of the equation.
-44r + 484 + r2 = 35 + 484

Reorder the terms:
484 + -44r + r2 = 35 + 484

Combine like terms: 35 + 484 = 519
484 + -44r + r2 = 519

Factor a perfect square on the left side:
(r + -22)(r + -22) = 519

Calculate the square root of the right side: 22.7815715

Break this problem into two subproblems by setting 
(r + -22) equal to 22.7815715 and -22.7815715.

Subproblem 1

r + -22 = 22.7815715 Simplifying r + -22 = 22.7815715 Reorder the terms: -22 + r = 22.7815715 Solving -22 + r = 22.7815715 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '22' to each side of the equation. -22 + 22 + r = 22.7815715 + 22 Combine like terms: -22 + 22 = 0 0 + r = 22.7815715 + 22 r = 22.7815715 + 22 Combine like terms: 22.7815715 + 22 = 44.7815715 r = 44.7815715 Simplifying r = 44.7815715

Subproblem 2

r + -22 = -22.7815715 Simplifying r + -22 = -22.7815715 Reorder the terms: -22 + r = -22.7815715 Solving -22 + r = -22.7815715 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '22' to each side of the equation. -22 + 22 + r = -22.7815715 + 22 Combine like terms: -22 + 22 = 0 0 + r = -22.7815715 + 22 r = -22.7815715 + 22 Combine like terms: -22.7815715 + 22 = -0.7815715 r = -0.7815715 Simplifying r = -0.7815715

Solution

The solution to the problem is based on the solutions from the subproblems. r = {44.7815715, -0.7815715}

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