R^2-9r+18=0

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Solution for R^2-9r+18=0 equation: 


Simplifying
R2 + -9r + 18 = 0

Reorder the terms:
18 + R2 + -9r = 0

Solving
18 + R2 + -9r = 0

Solving for variable 'R'.

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

Add '-18' to each side of the equation.
18 + R2 + -18 + -9r = 0 + -18

Reorder the terms:
18 + -18 + R2 + -9r = 0 + -18

Combine like terms: 18 + -18 = 0
0 + R2 + -9r = 0 + -18
R2 + -9r = 0 + -18

Combine like terms: 0 + -18 = -18
R2 + -9r = -18

Add '9r' to each side of the equation.
R2 + -9r + 9r = -18 + 9r

Combine like terms: -9r + 9r = 0
R2 + 0 = -18 + 9r
R2 = -18 + 9r

Simplifying
R2 = -18 + 9r

Reorder the terms:
18 + R2 + -9r = -18 + 9r + 18 + -9r

Reorder the terms:
18 + R2 + -9r = -18 + 18 + 9r + -9r

Combine like terms: -18 + 18 = 0
18 + R2 + -9r = 0 + 9r + -9r
18 + R2 + -9r = 9r + -9r

Combine like terms: 9r + -9r = 0
18 + R2 + -9r = 0

The solution to this equation could not be determined.

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