r^2+r-603=0

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Solution for r^2+r-603=0 equation:


Simplifying
r2 + r + -603 = 0

Reorder the terms:
-603 + r + r2 = 0

Solving
-603 + r + r2 = 0

Solving for variable 'r'.

Begin completing the square.

Move the constant term to the right:

Add '603' to each side of the equation.
-603 + r + 603 + r2 = 0 + 603

Reorder the terms:
-603 + 603 + r + r2 = 0 + 603

Combine like terms: -603 + 603 = 0
0 + r + r2 = 0 + 603
r + r2 = 0 + 603

Combine like terms: 0 + 603 = 603
r + r2 = 603

The r term is r.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
r + 0.25 + r2 = 603 + 0.25

Reorder the terms:
0.25 + r + r2 = 603 + 0.25

Combine like terms: 603 + 0.25 = 603.25
0.25 + r + r2 = 603.25

Factor a perfect square on the left side:
(r + 0.5)(r + 0.5) = 603.25

Calculate the square root of the right side: 24.561148182

Break this problem into two subproblems by setting 
(r + 0.5) equal to 24.561148182 and -24.561148182.

Subproblem 1

r + 0.5 = 24.561148182 Simplifying r + 0.5 = 24.561148182 Reorder the terms: 0.5 + r = 24.561148182 Solving 0.5 + r = 24.561148182 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + r = 24.561148182 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + r = 24.561148182 + -0.5 r = 24.561148182 + -0.5 Combine like terms: 24.561148182 + -0.5 = 24.061148182 r = 24.061148182 Simplifying r = 24.061148182

Subproblem 2

r + 0.5 = -24.561148182 Simplifying r + 0.5 = -24.561148182 Reorder the terms: 0.5 + r = -24.561148182 Solving 0.5 + r = -24.561148182 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + r = -24.561148182 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + r = -24.561148182 + -0.5 r = -24.561148182 + -0.5 Combine like terms: -24.561148182 + -0.5 = -25.061148182 r = -25.061148182 Simplifying r = -25.061148182

Solution

The solution to the problem is based on the solutions from the subproblems. r = {24.061148182, -25.061148182}

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