(5r-4)(r^2-6r+4)=

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Solution for (5r-4)(r^2-6r+4)= equation: 


Simplifying
(5r + -4)(r2 + -6r + 4) = 0

Reorder the terms:
(-4 + 5r)(r2 + -6r + 4) = 0

Reorder the terms:
(-4 + 5r)(4 + -6r + r2) = 0

Multiply (-4 + 5r) * (4 + -6r + r2)
(-4(4 + -6r + r2) + 5r * (4 + -6r + r2)) = 0
((4 * -4 + -6r * -4 + r2 * -4) + 5r * (4 + -6r + r2)) = 0
((-16 + 24r + -4r2) + 5r * (4 + -6r + r2)) = 0
(-16 + 24r + -4r2 + (4 * 5r + -6r * 5r + r2 * 5r)) = 0
(-16 + 24r + -4r2 + (20r + -30r2 + 5r3)) = 0

Reorder the terms:
(-16 + 24r + 20r + -4r2 + -30r2 + 5r3) = 0

Combine like terms: 24r + 20r = 44r
(-16 + 44r + -4r2 + -30r2 + 5r3) = 0

Combine like terms: -4r2 + -30r2 = -34r2
(-16 + 44r + -34r2 + 5r3) = 0

Solving
-16 + 44r + -34r2 + 5r3 = 0

Solving for variable 'r'.

The solution to this equation could not be determined.

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