6r^2-2=-r+5r^2

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Solution for 6r^2-2=-r+5r^2 equation:


Simplifying
6r2 + -2 = -1r + 5r2

Reorder the terms:
-2 + 6r2 = -1r + 5r2

Solving
-2 + 6r2 = -1r + 5r2

Solving for variable 'r'.

Reorder the terms:
-2 + r + 6r2 + -5r2 = -1r + 5r2 + r + -5r2

Combine like terms: 6r2 + -5r2 = 1r2
-2 + r + 1r2 = -1r + 5r2 + r + -5r2

Reorder the terms:
-2 + r + 1r2 = -1r + r + 5r2 + -5r2

Combine like terms: -1r + r = 0
-2 + r + 1r2 = 0 + 5r2 + -5r2
-2 + r + 1r2 = 5r2 + -5r2

Combine like terms: 5r2 + -5r2 = 0
-2 + r + 1r2 = 0

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

Subproblem 1

Set the factor '(-2 + -1r)' equal to zero and attempt to solve: Simplifying -2 + -1r = 0 Solving -2 + -1r = 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 + -1r = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1r = 0 + 2 -1r = 0 + 2 Combine like terms: 0 + 2 = 2 -1r = 2 Divide each side by '-1'. r = -2 Simplifying r = -2

Subproblem 2

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

Solution

r = {-2, 1}

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