R^2-8r-85=0

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Solution for R^2-8r-85=0 equation:


Simplifying
R2 + -8r + -85 = 0

Reorder the terms:
-85 + R2 + -8r = 0

Solving
-85 + R2 + -8r = 0

Solving for variable 'R'.

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

Add '85' to each side of the equation.
-85 + R2 + 85 + -8r = 0 + 85

Reorder the terms:
-85 + 85 + R2 + -8r = 0 + 85

Combine like terms: -85 + 85 = 0
0 + R2 + -8r = 0 + 85
R2 + -8r = 0 + 85

Combine like terms: 0 + 85 = 85
R2 + -8r = 85

Add '8r' to each side of the equation.
R2 + -8r + 8r = 85 + 8r

Combine like terms: -8r + 8r = 0
R2 + 0 = 85 + 8r
R2 = 85 + 8r

Simplifying
R2 = 85 + 8r

Reorder the terms:
-85 + R2 + -8r = 85 + 8r + -85 + -8r

Reorder the terms:
-85 + R2 + -8r = 85 + -85 + 8r + -8r

Combine like terms: 85 + -85 = 0
-85 + R2 + -8r = 0 + 8r + -8r
-85 + R2 + -8r = 8r + -8r

Combine like terms: 8r + -8r = 0
-85 + R2 + -8r = 0

The solution to this equation could not be determined.

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