45r^2-120rs=-80s^2

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Solution for 45r^2-120rs=-80s^2 equation:


Simplifying
45r2 + -120rs = -80s2

Reorder the terms:
-120rs + 45r2 = -80s2

Solving
-120rs + 45r2 = -80s2

Solving for variable 'r'.

Combine like terms: -80s2 + 80s2 = 0
-120rs + 45r2 + 80s2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-24rs + 9r2 + 16s2) = 0

Factor a trinomial.
5((3r + -4s)(3r + -4s)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(3r + -4s)' equal to zero and attempt to solve: Simplifying 3r + -4s = 0 Solving 3r + -4s = 0 Move all terms containing r to the left, all other terms to the right. Add '4s' to each side of the equation. 3r + -4s + 4s = 0 + 4s Combine like terms: -4s + 4s = 0 3r + 0 = 0 + 4s 3r = 0 + 4s Remove the zero: 3r = 4s Divide each side by '3'. r = 1.333333333s Simplifying r = 1.333333333s

Subproblem 2

Set the factor '(3r + -4s)' equal to zero and attempt to solve: Simplifying 3r + -4s = 0 Solving 3r + -4s = 0 Move all terms containing r to the left, all other terms to the right. Add '4s' to each side of the equation. 3r + -4s + 4s = 0 + 4s Combine like terms: -4s + 4s = 0 3r + 0 = 0 + 4s 3r = 0 + 4s Remove the zero: 3r = 4s Divide each side by '3'. r = 1.333333333s Simplifying r = 1.333333333s

Solution

r = {1.333333333s, 1.333333333s}

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