9r^2+48r+64=

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Solution for 9r^2+48r+64= equation:


Simplifying
9r2 + 48r + 64 = 0

Reorder the terms:
64 + 48r + 9r2 = 0

Solving
64 + 48r + 9r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(8 + 3r)(8 + 3r) = 0

Subproblem 1

Set the factor '(8 + 3r)' equal to zero and attempt to solve: Simplifying 8 + 3r = 0 Solving 8 + 3r = 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 + 3r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3r = 0 + -8 3r = 0 + -8 Combine like terms: 0 + -8 = -8 3r = -8 Divide each side by '3'. r = -2.666666667 Simplifying r = -2.666666667

Subproblem 2

Set the factor '(8 + 3r)' equal to zero and attempt to solve: Simplifying 8 + 3r = 0 Solving 8 + 3r = 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 + 3r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3r = 0 + -8 3r = 0 + -8 Combine like terms: 0 + -8 = -8 3r = -8 Divide each side by '3'. r = -2.666666667 Simplifying r = -2.666666667

Solution

r = {-2.666666667, -2.666666667}

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