R^2-r-2=0

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


Simplifying
R2 + -1r + -2 = 0

Reorder the terms:
-2 + R2 + -1r = 0

Solving
-2 + R2 + -1r = 0

Solving for variable 'R'.

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

Add '2' to each side of the equation.
-2 + R2 + 2 + -1r = 0 + 2

Reorder the terms:
-2 + 2 + R2 + -1r = 0 + 2

Combine like terms: -2 + 2 = 0
0 + R2 + -1r = 0 + 2
R2 + -1r = 0 + 2

Combine like terms: 0 + 2 = 2
R2 + -1r = 2

Add 'r' to each side of the equation.
R2 + -1r + r = 2 + r

Combine like terms: -1r + r = 0
R2 + 0 = 2 + r
R2 = 2 + r

Simplifying
R2 = 2 + r

Reorder the terms:
-2 + R2 + -1r = 2 + r + -2 + -1r

Reorder the terms:
-2 + R2 + -1r = 2 + -2 + r + -1r

Combine like terms: 2 + -2 = 0
-2 + R2 + -1r = 0 + r + -1r
-2 + R2 + -1r = r + -1r

Combine like terms: r + -1r = 0
-2 + R2 + -1r = 0

The solution to this equation could not be determined.

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