3r^2+8r+32=

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Solution for 3r^2+8r+32= equation:


Simplifying
3r2 + 8r + 32 = 0

Reorder the terms:
32 + 8r + 3r2 = 0

Solving
32 + 8r + 3r2 = 0

Solving for variable 'r'.

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

Divide each side by '3'.
10.66666667 + 2.666666667r + r2 = 0

Move the constant term to the right:

Add '-10.66666667' to each side of the equation.
10.66666667 + 2.666666667r + -10.66666667 + r2 = 0 + -10.66666667

Reorder the terms:
10.66666667 + -10.66666667 + 2.666666667r + r2 = 0 + -10.66666667

Combine like terms: 10.66666667 + -10.66666667 = 0.00000000
0.00000000 + 2.666666667r + r2 = 0 + -10.66666667
2.666666667r + r2 = 0 + -10.66666667

Combine like terms: 0 + -10.66666667 = -10.66666667
2.666666667r + r2 = -10.66666667

The r term is 2.666666667r.  Take half its coefficient (1.333333334).
Square it (1.777777780) and add it to both sides.

Add '1.777777780' to each side of the equation.
2.666666667r + 1.777777780 + r2 = -10.66666667 + 1.777777780

Reorder the terms:
1.777777780 + 2.666666667r + r2 = -10.66666667 + 1.777777780

Combine like terms: -10.66666667 + 1.777777780 = -8.88888889
1.777777780 + 2.666666667r + r2 = -8.88888889

Factor a perfect square on the left side:
(r + 1.333333334)(r + 1.333333334) = -8.88888889

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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