6r^2-5r+10=0

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Solution for 6r^2-5r+10=0 equation:


Simplifying
6r2 + -5r + 10 = 0

Reorder the terms:
10 + -5r + 6r2 = 0

Solving
10 + -5r + 6r2 = 0

Solving for variable 'r'.

Begin completing the square.  Divide all terms by
6 the coefficient of the squared term: 

Divide each side by '6'.
1.666666667 + -0.8333333333r + r2 = 0

Move the constant term to the right:

Add '-1.666666667' to each side of the equation.
1.666666667 + -0.8333333333r + -1.666666667 + r2 = 0 + -1.666666667

Reorder the terms:
1.666666667 + -1.666666667 + -0.8333333333r + r2 = 0 + -1.666666667

Combine like terms: 1.666666667 + -1.666666667 = 0.000000000
0.000000000 + -0.8333333333r + r2 = 0 + -1.666666667
-0.8333333333r + r2 = 0 + -1.666666667

Combine like terms: 0 + -1.666666667 = -1.666666667
-0.8333333333r + r2 = -1.666666667

The r term is -0.8333333333r.  Take half its coefficient (-0.4166666667).
Square it (0.1736111111) and add it to both sides.

Add '0.1736111111' to each side of the equation.
-0.8333333333r + 0.1736111111 + r2 = -1.666666667 + 0.1736111111

Reorder the terms:
0.1736111111 + -0.8333333333r + r2 = -1.666666667 + 0.1736111111

Combine like terms: -1.666666667 + 0.1736111111 = -1.4930555559
0.1736111111 + -0.8333333333r + r2 = -1.4930555559

Factor a perfect square on the left side:
(r + -0.4166666667)(r + -0.4166666667) = -1.4930555559

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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