3r^2=14r-8

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Solution for 3r^2=14r-8 equation:


Simplifying
3r2 = 14r + -8

Reorder the terms:
3r2 = -8 + 14r

Solving
3r2 = -8 + 14r

Solving for variable 'r'.

Reorder the terms:
8 + -14r + 3r2 = -8 + 14r + 8 + -14r

Reorder the terms:
8 + -14r + 3r2 = -8 + 8 + 14r + -14r

Combine like terms: -8 + 8 = 0
8 + -14r + 3r2 = 0 + 14r + -14r
8 + -14r + 3r2 = 14r + -14r

Combine like terms: 14r + -14r = 0
8 + -14r + 3r2 = 0

Factor a trinomial.
(2 + -3r)(4 + -1r) = 0

Subproblem 1

Set the factor '(2 + -3r)' equal to zero and attempt to solve: Simplifying 2 + -3r = 0 Solving 2 + -3r = 0 Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3r = 0 + -2 -3r = 0 + -2 Combine like terms: 0 + -2 = -2 -3r = -2 Divide each side by '-3'. r = 0.6666666667 Simplifying r = 0.6666666667

Subproblem 2

Set the factor '(4 + -1r)' equal to zero and attempt to solve: Simplifying 4 + -1r = 0 Solving 4 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1r = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1r = 0 + -4 -1r = 0 + -4 Combine like terms: 0 + -4 = -4 -1r = -4 Divide each side by '-1'. r = 4 Simplifying r = 4

Solution

r = {0.6666666667, 4}

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