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Simplifying
125r2 + -320s2 = 0
Solving
125r2 + -320s2 = 0
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '320s2' to each side of the equation.
125r2 + -320s2 + 320s2 = 0 + 320s2
Combine like terms: -320s2 + 320s2 = 0
125r2 + 0 = 0 + 320s2
125r2 = 0 + 320s2
Remove the zero:
125r2 = 320s2
Divide each side by '125'.
r2 = 2.56s2
Simplifying
r2 = 2.56s2
Take the square root of each side:
r = {-1.6s, 1.6s}
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