55r^2+24r-16=

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Solution for 55r^2+24r-16= equation:


Simplifying
55r2 + 24r + -16 = 0

Reorder the terms:
-16 + 24r + 55r2 = 0

Solving
-16 + 24r + 55r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(-4 + -5r)(4 + -11r) = 0

Subproblem 1

Set the factor '(-4 + -5r)' equal to zero and attempt to solve: Simplifying -4 + -5r = 0 Solving -4 + -5r = 0 Move all terms containing r to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5r = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5r = 0 + 4 -5r = 0 + 4 Combine like terms: 0 + 4 = 4 -5r = 4 Divide each side by '-5'. r = -0.8 Simplifying r = -0.8

Subproblem 2

Set the factor '(4 + -11r)' equal to zero and attempt to solve: Simplifying 4 + -11r = 0 Solving 4 + -11r = 0 Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -11r = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -11r = 0 + -4 -11r = 0 + -4 Combine like terms: 0 + -4 = -4 -11r = -4 Divide each side by '-11'. r = 0.3636363636 Simplifying r = 0.3636363636

Solution

r = {-0.8, 0.3636363636}

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