9r^2-19r+2=

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Solution for 9r^2-19r+2= equation:


Simplifying
9r2 + -19r + 2 = 0

Reorder the terms:
2 + -19r + 9r2 = 0

Solving
2 + -19r + 9r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(1 + -9r)(2 + -1r) = 0

Subproblem 1

Set the factor '(1 + -9r)' equal to zero and attempt to solve: Simplifying 1 + -9r = 0 Solving 1 + -9r = 0 Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -9r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -9r = 0 + -1 -9r = 0 + -1 Combine like terms: 0 + -1 = -1 -9r = -1 Divide each side by '-9'. r = 0.1111111111 Simplifying r = 0.1111111111

Subproblem 2

Set the factor '(2 + -1r)' equal to zero and attempt to solve: Simplifying 2 + -1r = 0 Solving 2 + -1r = 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 + -1r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1r = 0 + -2 -1r = 0 + -2 Combine like terms: 0 + -2 = -2 -1r = -2 Divide each side by '-1'. r = 2 Simplifying r = 2

Solution

r = {0.1111111111, 2}

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