16r^2=8r-1

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Solution for 16r^2=8r-1 equation:


Simplifying
16r2 = 8r + -1

Reorder the terms:
16r2 = -1 + 8r

Solving
16r2 = -1 + 8r

Solving for variable 'r'.

Reorder the terms:
1 + -8r + 16r2 = -1 + 8r + 1 + -8r

Reorder the terms:
1 + -8r + 16r2 = -1 + 1 + 8r + -8r

Combine like terms: -1 + 1 = 0
1 + -8r + 16r2 = 0 + 8r + -8r
1 + -8r + 16r2 = 8r + -8r

Combine like terms: 8r + -8r = 0
1 + -8r + 16r2 = 0

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

Subproblem 1

Set the factor '(1 + -4r)' equal to zero and attempt to solve: Simplifying 1 + -4r = 0 Solving 1 + -4r = 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 + -4r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4r = 0 + -1 -4r = 0 + -1 Combine like terms: 0 + -1 = -1 -4r = -1 Divide each side by '-4'. r = 0.25 Simplifying r = 0.25

Subproblem 2

Set the factor '(1 + -4r)' equal to zero and attempt to solve: Simplifying 1 + -4r = 0 Solving 1 + -4r = 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 + -4r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4r = 0 + -1 -4r = 0 + -1 Combine like terms: 0 + -1 = -1 -4r = -1 Divide each side by '-4'. r = 0.25 Simplifying r = 0.25

Solution

r = {0.25, 0.25}

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