16r^2+4r=12r^3

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Solution for 16r^2+4r=12r^3 equation:


Simplifying
16r2 + 4r = 12r3

Reorder the terms:
4r + 16r2 = 12r3

Solving
4r + 16r2 = 12r3

Solving for variable 'r'.

Combine like terms: 12r3 + -12r3 = 0
4r + 16r2 + -12r3 = 0

Factor out the Greatest Common Factor (GCF), '4r'.
4r(1 + 4r + -3r2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'r' equal to zero and attempt to solve: Simplifying r = 0 Solving r = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r = 0

Subproblem 2

Set the factor '(1 + 4r + -3r2)' equal to zero and attempt to solve: Simplifying 1 + 4r + -3r2 = 0 Solving 1 + 4r + -3r2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -0.3333333333 + -1.333333333r + r2 = 0 Move the constant term to the right: Add '0.3333333333' to each side of the equation. -0.3333333333 + -1.333333333r + 0.3333333333 + r2 = 0 + 0.3333333333 Reorder the terms: -0.3333333333 + 0.3333333333 + -1.333333333r + r2 = 0 + 0.3333333333 Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000 0.0000000000 + -1.333333333r + r2 = 0 + 0.3333333333 -1.333333333r + r2 = 0 + 0.3333333333 Combine like terms: 0 + 0.3333333333 = 0.3333333333 -1.333333333r + r2 = 0.3333333333 The r term is -1.333333333r. Take half its coefficient (-0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. -1.333333333r + 0.4444444442 + r2 = 0.3333333333 + 0.4444444442 Reorder the terms: 0.4444444442 + -1.333333333r + r2 = 0.3333333333 + 0.4444444442 Combine like terms: 0.3333333333 + 0.4444444442 = 0.7777777775 0.4444444442 + -1.333333333r + r2 = 0.7777777775 Factor a perfect square on the left side: (r + -0.6666666665)(r + -0.6666666665) = 0.7777777775 Calculate the square root of the right side: 0.881917104 Break this problem into two subproblems by setting (r + -0.6666666665) equal to 0.881917104 and -0.881917104.

Subproblem 1

r + -0.6666666665 = 0.881917104 Simplifying r + -0.6666666665 = 0.881917104 Reorder the terms: -0.6666666665 + r = 0.881917104 Solving -0.6666666665 + r = 0.881917104 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + r = 0.881917104 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + r = 0.881917104 + 0.6666666665 r = 0.881917104 + 0.6666666665 Combine like terms: 0.881917104 + 0.6666666665 = 1.5485837705 r = 1.5485837705 Simplifying r = 1.5485837705

Subproblem 2

r + -0.6666666665 = -0.881917104 Simplifying r + -0.6666666665 = -0.881917104 Reorder the terms: -0.6666666665 + r = -0.881917104 Solving -0.6666666665 + r = -0.881917104 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + r = -0.881917104 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + r = -0.881917104 + 0.6666666665 r = -0.881917104 + 0.6666666665 Combine like terms: -0.881917104 + 0.6666666665 = -0.2152504375 r = -0.2152504375 Simplifying r = -0.2152504375

Solution

The solution to the problem is based on the solutions from the subproblems. r = {1.5485837705, -0.2152504375}

Solution

r = {0, 1.5485837705, -0.2152504375}

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