r^2+18r+50=18

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Solution for r^2+18r+50=18 equation:


Simplifying
r2 + 18r + 50 = 18

Reorder the terms:
50 + 18r + r2 = 18

Solving
50 + 18r + r2 = 18

Solving for variable 'r'.

Reorder the terms:
50 + -18 + 18r + r2 = 18 + -18

Combine like terms: 50 + -18 = 32
32 + 18r + r2 = 18 + -18

Combine like terms: 18 + -18 = 0
32 + 18r + r2 = 0

Factor a trinomial.
(16 + r)(2 + r) = 0

Subproblem 1

Set the factor '(16 + r)' equal to zero and attempt to solve: Simplifying 16 + r = 0 Solving 16 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + r = 0 + -16 Combine like terms: 16 + -16 = 0 0 + r = 0 + -16 r = 0 + -16 Combine like terms: 0 + -16 = -16 r = -16 Simplifying r = -16

Subproblem 2

Set the factor '(2 + r)' equal to zero and attempt to solve: Simplifying 2 + r = 0 Solving 2 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + r = 0 + -2 r = 0 + -2 Combine like terms: 0 + -2 = -2 r = -2 Simplifying r = -2

Solution

r = {-16, -2}

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