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

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


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

Reorder the terms:
10r + 9r + 9r2 + -9r2 = 0

Combine like terms: 10r + 9r = 19r
19r + 9r2 + -9r2 = 0

Combine like terms: 9r2 + -9r2 = 0
19r + 0 = 0
19r = 0

Solving
19r = 0

Solving for variable 'r'.

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

Divide each side by '19'.
r = 0

Simplifying
r = 0

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