8r^4+3-3r^2+2+5r^2-5r^4=

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Solution for 8r^4+3-3r^2+2+5r^2-5r^4= equation:


Simplifying
8r4 + 3 + -3r2 + 2 + 5r2 + -5r4 = 0

Reorder the terms:
3 + 2 + -3r2 + 5r2 + 8r4 + -5r4 = 0

Combine like terms: 3 + 2 = 5
5 + -3r2 + 5r2 + 8r4 + -5r4 = 0

Combine like terms: -3r2 + 5r2 = 2r2
5 + 2r2 + 8r4 + -5r4 = 0

Combine like terms: 8r4 + -5r4 = 3r4
5 + 2r2 + 3r4 = 0

Solving
5 + 2r2 + 3r4 = 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'.
1.666666667 + 0.6666666667r2 + r4 = 0

Move the constant term to the right:

Add '-1.666666667' to each side of the equation.
1.666666667 + 0.6666666667r2 + -1.666666667 + r4 = 0 + -1.666666667

Reorder the terms:
1.666666667 + -1.666666667 + 0.6666666667r2 + r4 = 0 + -1.666666667

Combine like terms: 1.666666667 + -1.666666667 = 0.000000000
0.000000000 + 0.6666666667r2 + r4 = 0 + -1.666666667
0.6666666667r2 + r4 = 0 + -1.666666667

Combine like terms: 0 + -1.666666667 = -1.666666667
0.6666666667r2 + r4 = -1.666666667

The r term is 0.6666666667r2.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667r2 + 0.1111111112 + r4 = -1.666666667 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667r2 + r4 = -1.666666667 + 0.1111111112

Combine like terms: -1.666666667 + 0.1111111112 = -1.5555555558
0.1111111112 + 0.6666666667r2 + r4 = -1.5555555558

Factor a perfect square on the left side:
(r2 + 0.3333333334)(r2 + 0.3333333334) = -1.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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