5r^2-3=2r

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Solution for 5r^2-3=2r equation:


Simplifying
5r2 + -3 = 2r

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

Solving
-3 + 5r2 = 2r

Solving for variable 'r'.

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

Combine like terms: 2r + -2r = 0
-3 + -2r + 5r2 = 0

Factor a trinomial.
(-3 + -5r)(1 + -1r) = 0

Subproblem 1

Set the factor '(-3 + -5r)' equal to zero and attempt to solve: Simplifying -3 + -5r = 0 Solving -3 + -5r = 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 + -5r = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5r = 0 + 3 -5r = 0 + 3 Combine like terms: 0 + 3 = 3 -5r = 3 Divide each side by '-5'. r = -0.6 Simplifying r = -0.6

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 = {-0.6, 1}

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