r^2-6r+c=0

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Solution for r^2-6r+c=0 equation: 


Simplifying
r2 + -6r + c = 0

Reorder the terms:
c + -6r + r2 = 0

Solving
c + -6r + r2 = 0

Solving for variable 'c'.

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

Add '6r' to each side of the equation.
c + -6r + 6r + r2 = 0 + 6r

Combine like terms: -6r + 6r = 0
c + 0 + r2 = 0 + 6r
c + r2 = 0 + 6r
Remove the zero:
c + r2 = 6r

Add '-1r2' to each side of the equation.
c + r2 + -1r2 = 6r + -1r2

Combine like terms: r2 + -1r2 = 0
c + 0 = 6r + -1r2
c = 6r + -1r2

Simplifying
c = 6r + -1r2

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