R^2-r-90=

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Solution for R^2-r-90= equation:


Simplifying
R2 + -1r + -90 = 0

Reorder the terms:
-90 + R2 + -1r = 0

Solving
-90 + R2 + -1r = 0

Solving for variable 'R'.

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

Add '90' to each side of the equation.
-90 + R2 + 90 + -1r = 0 + 90

Reorder the terms:
-90 + 90 + R2 + -1r = 0 + 90

Combine like terms: -90 + 90 = 0
0 + R2 + -1r = 0 + 90
R2 + -1r = 0 + 90

Combine like terms: 0 + 90 = 90
R2 + -1r = 90

Add 'r' to each side of the equation.
R2 + -1r + r = 90 + r

Combine like terms: -1r + r = 0
R2 + 0 = 90 + r
R2 = 90 + r

Simplifying
R2 = 90 + r

Reorder the terms:
-90 + R2 + -1r = 90 + r + -90 + -1r

Reorder the terms:
-90 + R2 + -1r = 90 + -90 + r + -1r

Combine like terms: 90 + -90 = 0
-90 + R2 + -1r = 0 + r + -1r
-90 + R2 + -1r = r + -1r

Combine like terms: r + -1r = 0
-90 + R2 + -1r = 0

The solution to this equation could not be determined.

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