77r^2+26r-3=0

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Solution for 77r^2+26r-3=0 equation:


Simplifying
77r2 + 26r + -3 = 0

Reorder the terms:
-3 + 26r + 77r2 = 0

Solving
-3 + 26r + 77r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(-3 + -7r)(1 + -11r) = 0

Subproblem 1

Set the factor '(-3 + -7r)' equal to zero and attempt to solve: Simplifying -3 + -7r = 0 Solving -3 + -7r = 0 Move all terms containing r to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -7r = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -7r = 0 + 3 -7r = 0 + 3 Combine like terms: 0 + 3 = 3 -7r = 3 Divide each side by '-7'. r = -0.4285714286 Simplifying r = -0.4285714286

Subproblem 2

Set the factor '(1 + -11r)' equal to zero and attempt to solve: Simplifying 1 + -11r = 0 Solving 1 + -11r = 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 + -11r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -11r = 0 + -1 -11r = 0 + -1 Combine like terms: 0 + -1 = -1 -11r = -1 Divide each side by '-11'. r = 0.09090909091 Simplifying r = 0.09090909091

Solution

r = {-0.4285714286, 0.09090909091}

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