R^2-15r-80=0

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Solution for R^2-15r-80=0 equation:


Simplifying
R2 + -15r + -80 = 0

Reorder the terms:
-80 + R2 + -15r = 0

Solving
-80 + R2 + -15r = 0

Solving for variable 'R'.

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

Add '80' to each side of the equation.
-80 + R2 + 80 + -15r = 0 + 80

Reorder the terms:
-80 + 80 + R2 + -15r = 0 + 80

Combine like terms: -80 + 80 = 0
0 + R2 + -15r = 0 + 80
R2 + -15r = 0 + 80

Combine like terms: 0 + 80 = 80
R2 + -15r = 80

Add '15r' to each side of the equation.
R2 + -15r + 15r = 80 + 15r

Combine like terms: -15r + 15r = 0
R2 + 0 = 80 + 15r
R2 = 80 + 15r

Simplifying
R2 = 80 + 15r

Reorder the terms:
-80 + R2 + -15r = 80 + 15r + -80 + -15r

Reorder the terms:
-80 + R2 + -15r = 80 + -80 + 15r + -15r

Combine like terms: 80 + -80 = 0
-80 + R2 + -15r = 0 + 15r + -15r
-80 + R2 + -15r = 15r + -15r

Combine like terms: 15r + -15r = 0
-80 + R2 + -15r = 0

The solution to this equation could not be determined.

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