3r^2+9r^2-10r^2=

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Solution for 3r^2+9r^2-10r^2= equation: 


Simplifying
3r2 + 9r2 + -10r2 = 0

Combine like terms: 3r2 + 9r2 = 12r2
12r2 + -10r2 = 0

Combine like terms: 12r2 + -10r2 = 2r2
2r2 = 0

Solving
2r2 = 0

Solving for variable 'r'.

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

Divide each side by '2'.
r2 = 0

Simplifying
r2 = 0

Take the square root of each side:
r = {0}

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