324r^2-121=

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Solution for 324r^2-121= equation:


Simplifying
324r2 + -121 = 0

Reorder the terms:
-121 + 324r2 = 0

Solving
-121 + 324r2 = 0

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '121' to each side of the equation.
-121 + 121 + 324r2 = 0 + 121

Combine like terms: -121 + 121 = 0
0 + 324r2 = 0 + 121
324r2 = 0 + 121

Combine like terms: 0 + 121 = 121
324r2 = 121

Divide each side by '324'.
r2 = 0.3734567901

Simplifying
r2 = 0.3734567901

Take the square root of each side:
r = {-0.611111111, 0.611111111}

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