11r-2r+5=-3r+5+8r^2

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Solution for 11r-2r+5=-3r+5+8r^2 equation:


Simplifying
11r + -2r + 5 = -3r + 5 + 8r2

Reorder the terms:
5 + 11r + -2r = -3r + 5 + 8r2

Combine like terms: 11r + -2r = 9r
5 + 9r = -3r + 5 + 8r2

Reorder the terms:
5 + 9r = 5 + -3r + 8r2

Add '-5' to each side of the equation.
5 + -5 + 9r = 5 + -3r + -5 + 8r2

Combine like terms: 5 + -5 = 0
0 + 9r = 5 + -3r + -5 + 8r2
9r = 5 + -3r + -5 + 8r2

Reorder the terms:
9r = 5 + -5 + -3r + 8r2

Combine like terms: 5 + -5 = 0
9r = 0 + -3r + 8r2
9r = -3r + 8r2

Solving
9r = -3r + 8r2

Solving for variable 'r'.

Combine like terms: 9r + 3r = 12r
12r + -8r2 = -3r + 8r2 + 3r + -8r2

Reorder the terms:
12r + -8r2 = -3r + 3r + 8r2 + -8r2

Combine like terms: -3r + 3r = 0
12r + -8r2 = 0 + 8r2 + -8r2
12r + -8r2 = 8r2 + -8r2

Combine like terms: 8r2 + -8r2 = 0
12r + -8r2 = 0

Factor out the Greatest Common Factor (GCF), '4r'.
4r(3 + -2r) = 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 '(3 + -2r)' equal to zero and attempt to solve: Simplifying 3 + -2r = 0 Solving 3 + -2r = 0 Move all terms containing r to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2r = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2r = 0 + -3 -2r = 0 + -3 Combine like terms: 0 + -3 = -3 -2r = -3 Divide each side by '-2'. r = 1.5 Simplifying r = 1.5

Solution

r = {0, 1.5}

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