r^2+12r+36=0

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Solution for r^2+12r+36=0 equation:


Simplifying
r2 + 12r + 36 = 0

Reorder the terms:
36 + 12r + r2 = 0

Solving
36 + 12r + r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(6 + r)(6 + r) = 0

Subproblem 1

Set the factor '(6 + r)' equal to zero and attempt to solve: Simplifying 6 + r = 0 Solving 6 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + r = 0 + -6 Combine like terms: 6 + -6 = 0 0 + r = 0 + -6 r = 0 + -6 Combine like terms: 0 + -6 = -6 r = -6 Simplifying r = -6

Subproblem 2

Set the factor '(6 + r)' equal to zero and attempt to solve: Simplifying 6 + r = 0 Solving 6 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + r = 0 + -6 Combine like terms: 6 + -6 = 0 0 + r = 0 + -6 r = 0 + -6 Combine like terms: 0 + -6 = -6 r = -6 Simplifying r = -6

Solution

r = {-6, -6}

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