(3r-2)(4r-4)=

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Solution for (3r-2)(4r-4)= equation:


Simplifying
(3r + -2)(4r + -4) = 0

Reorder the terms:
(-2 + 3r)(4r + -4) = 0

Reorder the terms:
(-2 + 3r)(-4 + 4r) = 0

Multiply (-2 + 3r) * (-4 + 4r)
(-2(-4 + 4r) + 3r * (-4 + 4r)) = 0
((-4 * -2 + 4r * -2) + 3r * (-4 + 4r)) = 0
((8 + -8r) + 3r * (-4 + 4r)) = 0
(8 + -8r + (-4 * 3r + 4r * 3r)) = 0
(8 + -8r + (-12r + 12r2)) = 0

Combine like terms: -8r + -12r = -20r
(8 + -20r + 12r2) = 0

Solving
8 + -20r + 12r2 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), '4'.
4(2 + -5r + 3r2) = 0

Factor a trinomial.
4((2 + -3r)(1 + -1r)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(2 + -3r)' equal to zero and attempt to solve: Simplifying 2 + -3r = 0 Solving 2 + -3r = 0 Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3r = 0 + -2 -3r = 0 + -2 Combine like terms: 0 + -2 = -2 -3r = -2 Divide each side by '-3'. r = 0.6666666667 Simplifying r = 0.6666666667

Subproblem 2

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

Solution

r = {0.6666666667, 1}

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