4r(13r+9)=0

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Solution for 4r(13r+9)=0 equation:


Simplifying
4r(13r + 9) = 0

Reorder the terms:
4r(9 + 13r) = 0
(9 * 4r + 13r * 4r) = 0
(36r + 52r2) = 0

Solving
36r + 52r2 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), '4r'.
4r(9 + 13r) = 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 '(9 + 13r)' equal to zero and attempt to solve: Simplifying 9 + 13r = 0 Solving 9 + 13r = 0 Move all terms containing r to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 13r = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 13r = 0 + -9 13r = 0 + -9 Combine like terms: 0 + -9 = -9 13r = -9 Divide each side by '13'. r = -0.6923076923 Simplifying r = -0.6923076923

Solution

r = {0, -0.6923076923}

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