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Simplifying
32r2 + -18 = 0
Reorder the terms:
-18 + 32r2 = 0
Solving
-18 + 32r2 = 0
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '18' to each side of the equation.
-18 + 18 + 32r2 = 0 + 18
Combine like terms: -18 + 18 = 0
0 + 32r2 = 0 + 18
32r2 = 0 + 18
Combine like terms: 0 + 18 = 18
32r2 = 18
Divide each side by '32'.
r2 = 0.5625
Simplifying
r2 = 0.5625
Take the square root of each side:
r = {-0.75, 0.75}
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