16r^2=60+68r

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Solution for 16r^2=60+68r equation:


Simplifying
16r2 = 60 + 68r

Solving
16r2 = 60 + 68r

Solving for variable 'r'.

Reorder the terms:
-60 + -68r + 16r2 = 60 + 68r + -60 + -68r

Reorder the terms:
-60 + -68r + 16r2 = 60 + -60 + 68r + -68r

Combine like terms: 60 + -60 = 0
-60 + -68r + 16r2 = 0 + 68r + -68r
-60 + -68r + 16r2 = 68r + -68r

Combine like terms: 68r + -68r = 0
-60 + -68r + 16r2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-15 + -17r + 4r2) = 0

Factor a trinomial.
4((-3 + -4r)(5 + -1r)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-3 + -4r)' equal to zero and attempt to solve: Simplifying -3 + -4r = 0 Solving -3 + -4r = 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 + -4r = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4r = 0 + 3 -4r = 0 + 3 Combine like terms: 0 + 3 = 3 -4r = 3 Divide each side by '-4'. r = -0.75 Simplifying r = -0.75

Subproblem 2

Set the factor '(5 + -1r)' equal to zero and attempt to solve: Simplifying 5 + -1r = 0 Solving 5 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1r = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1r = 0 + -5 -1r = 0 + -5 Combine like terms: 0 + -5 = -5 -1r = -5 Divide each side by '-1'. r = 5 Simplifying r = 5

Solution

r = {-0.75, 5}

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