R^2+2r+2r-4=0

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Solution for R^2+2r+2r-4=0 equation:


Simplifying
R2 + 2r + 2r + -4 = 0

Reorder the terms:
-4 + R2 + 2r + 2r = 0

Combine like terms: 2r + 2r = 4r
-4 + R2 + 4r = 0

Solving
-4 + R2 + 4r = 0

Solving for variable 'R'.

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

Add '4' to each side of the equation.
-4 + R2 + 4 + 4r = 0 + 4

Reorder the terms:
-4 + 4 + R2 + 4r = 0 + 4

Combine like terms: -4 + 4 = 0
0 + R2 + 4r = 0 + 4
R2 + 4r = 0 + 4

Combine like terms: 0 + 4 = 4
R2 + 4r = 4

Add '-4r' to each side of the equation.
R2 + 4r + -4r = 4 + -4r

Combine like terms: 4r + -4r = 0
R2 + 0 = 4 + -4r
R2 = 4 + -4r

Simplifying
R2 = 4 + -4r

Reorder the terms:
-4 + R2 + 4r = 4 + -4r + -4 + 4r

Reorder the terms:
-4 + R2 + 4r = 4 + -4 + -4r + 4r

Combine like terms: 4 + -4 = 0
-4 + R2 + 4r = 0 + -4r + 4r
-4 + R2 + 4r = -4r + 4r

Combine like terms: -4r + 4r = 0
-4 + R2 + 4r = 0

The solution to this equation could not be determined.

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