27-75r^2=

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Solution for 27-75r^2= equation: 


Simplifying
27 + -75r2 = 0

Solving
27 + -75r2 = 0

Solving for variable 'r'.

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

Add '-27' to each side of the equation.
27 + -27 + -75r2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -75r2 = 0 + -27
-75r2 = 0 + -27

Combine like terms: 0 + -27 = -27
-75r2 = -27

Divide each side by '-75'.
r2 = 0.36

Simplifying
r2 = 0.36

Take the square root of each side:
r = {-0.6, 0.6}

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