r^2-(-16-8*r)=0

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Solution for r^2-(-16-8*r)=0 equation:


Simplifying
r2 + -1(-16 + -8r) = 0
r2 + (-16 * -1 + -8r * -1) = 0
r2 + (16 + 8r) = 0

Reorder the terms:
16 + 8r + r2 = 0

Solving
16 + 8r + r2 = 0

Solving for variable 'r'.

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

Subproblem 1

Set the factor '(4 + r)' equal to zero and attempt to solve: Simplifying 4 + r = 0 Solving 4 + r = 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 + r = 0 + -4 Combine like terms: 4 + -4 = 0 0 + r = 0 + -4 r = 0 + -4 Combine like terms: 0 + -4 = -4 r = -4 Simplifying r = -4

Subproblem 2

Set the factor '(4 + r)' equal to zero and attempt to solve: Simplifying 4 + r = 0 Solving 4 + r = 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 + r = 0 + -4 Combine like terms: 4 + -4 = 0 0 + r = 0 + -4 r = 0 + -4 Combine like terms: 0 + -4 = -4 r = -4 Simplifying r = -4

Solution

r = {-4, -4}

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