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Simplifying
6r2 + -29 + 20 = 0
Reorder the terms:
-29 + 20 + 6r2 = 0
Combine like terms: -29 + 20 = -9
-9 + 6r2 = 0
Solving
-9 + 6r2 = 0
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '9' to each side of the equation.
-9 + 9 + 6r2 = 0 + 9
Combine like terms: -9 + 9 = 0
0 + 6r2 = 0 + 9
6r2 = 0 + 9
Combine like terms: 0 + 9 = 9
6r2 = 9
Divide each side by '6'.
r2 = 1.5
Simplifying
r2 = 1.5
Take the square root of each side:
r = {-1.224744871, 1.224744871}
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