r^2-6r=187

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Solution for r^2-6r=187 equation:


Simplifying
r2 + -6r = 187

Reorder the terms:
-6r + r2 = 187

Solving
-6r + r2 = 187

Solving for variable 'r'.

Reorder the terms:
-187 + -6r + r2 = 187 + -187

Combine like terms: 187 + -187 = 0
-187 + -6r + r2 = 0

Factor a trinomial.
(-11 + -1r)(17 + -1r) = 0

Subproblem 1

Set the factor '(-11 + -1r)' equal to zero and attempt to solve: Simplifying -11 + -1r = 0 Solving -11 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1r = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1r = 0 + 11 -1r = 0 + 11 Combine like terms: 0 + 11 = 11 -1r = 11 Divide each side by '-1'. r = -11 Simplifying r = -11

Subproblem 2

Set the factor '(17 + -1r)' equal to zero and attempt to solve: Simplifying 17 + -1r = 0 Solving 17 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -1r = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -1r = 0 + -17 -1r = 0 + -17 Combine like terms: 0 + -17 = -17 -1r = -17 Divide each side by '-1'. r = 17 Simplifying r = 17

Solution

r = {-11, 17}

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