(5a-7)(8a^2+5a-5)=

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Solution for (5a-7)(8a^2+5a-5)= equation: 


Simplifying
(5a + -7)(8a2 + 5a + -5) = 0

Reorder the terms:
(-7 + 5a)(8a2 + 5a + -5) = 0

Reorder the terms:
(-7 + 5a)(-5 + 5a + 8a2) = 0

Multiply (-7 + 5a) * (-5 + 5a + 8a2)
(-7(-5 + 5a + 8a2) + 5a * (-5 + 5a + 8a2)) = 0
((-5 * -7 + 5a * -7 + 8a2 * -7) + 5a * (-5 + 5a + 8a2)) = 0
((35 + -35a + -56a2) + 5a * (-5 + 5a + 8a2)) = 0
(35 + -35a + -56a2 + (-5 * 5a + 5a * 5a + 8a2 * 5a)) = 0
(35 + -35a + -56a2 + (-25a + 25a2 + 40a3)) = 0

Reorder the terms:
(35 + -35a + -25a + -56a2 + 25a2 + 40a3) = 0

Combine like terms: -35a + -25a = -60a
(35 + -60a + -56a2 + 25a2 + 40a3) = 0

Combine like terms: -56a2 + 25a2 = -31a2
(35 + -60a + -31a2 + 40a3) = 0

Solving
35 + -60a + -31a2 + 40a3 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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