(5r-6)(5r^2+6r-8)=

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Solution for (5r-6)(5r^2+6r-8)= equation: 


Simplifying
(5r + -6)(5r2 + 6r + -8) = 0

Reorder the terms:
(-6 + 5r)(5r2 + 6r + -8) = 0

Reorder the terms:
(-6 + 5r)(-8 + 6r + 5r2) = 0

Multiply (-6 + 5r) * (-8 + 6r + 5r2)
(-6(-8 + 6r + 5r2) + 5r * (-8 + 6r + 5r2)) = 0
((-8 * -6 + 6r * -6 + 5r2 * -6) + 5r * (-8 + 6r + 5r2)) = 0
((48 + -36r + -30r2) + 5r * (-8 + 6r + 5r2)) = 0
(48 + -36r + -30r2 + (-8 * 5r + 6r * 5r + 5r2 * 5r)) = 0
(48 + -36r + -30r2 + (-40r + 30r2 + 25r3)) = 0

Reorder the terms:
(48 + -36r + -40r + -30r2 + 30r2 + 25r3) = 0

Combine like terms: -36r + -40r = -76r
(48 + -76r + -30r2 + 30r2 + 25r3) = 0

Combine like terms: -30r2 + 30r2 = 0
(48 + -76r + 0 + 25r3) = 0
(48 + -76r + 25r3) = 0

Solving
48 + -76r + 25r3 = 0

Solving for variable 'r'.

The solution to this equation could not be determined.

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