r^2+64=-16r

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Solution for r^2+64=-16r equation:


Simplifying
r2 + 64 = -16r

Reorder the terms:
64 + r2 = -16r

Solving
64 + r2 = -16r

Solving for variable 'r'.

Reorder the terms:
64 + 16r + r2 = -16r + 16r

Combine like terms: -16r + 16r = 0
64 + 16r + r2 = 0

Factor a trinomial.
(8 + r)(8 + r) = 0

Subproblem 1

Set the factor '(8 + r)' equal to zero and attempt to solve: Simplifying 8 + r = 0 Solving 8 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + r = 0 + -8 r = 0 + -8 Combine like terms: 0 + -8 = -8 r = -8 Simplifying r = -8

Subproblem 2

Set the factor '(8 + r)' equal to zero and attempt to solve: Simplifying 8 + r = 0 Solving 8 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + r = 0 + -8 r = 0 + -8 Combine like terms: 0 + -8 = -8 r = -8 Simplifying r = -8

Solution

r = {-8, -8}

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