(a-5)(4a+3)(a+5)=

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Solution for (a-5)(4a+3)(a+5)= equation:


Simplifying
(a + -5)(4a + 3)(a + 5) = 0

Reorder the terms:
(-5 + a)(4a + 3)(a + 5) = 0

Reorder the terms:
(-5 + a)(3 + 4a)(a + 5) = 0

Reorder the terms:
(-5 + a)(3 + 4a)(5 + a) = 0

Multiply (-5 + a) * (3 + 4a)
(-5(3 + 4a) + a(3 + 4a))(5 + a) = 0
((3 * -5 + 4a * -5) + a(3 + 4a))(5 + a) = 0
((-15 + -20a) + a(3 + 4a))(5 + a) = 0
(-15 + -20a + (3 * a + 4a * a))(5 + a) = 0
(-15 + -20a + (3a + 4a2))(5 + a) = 0

Combine like terms: -20a + 3a = -17a
(-15 + -17a + 4a2)(5 + a) = 0

Multiply (-15 + -17a + 4a2) * (5 + a)
(-15(5 + a) + -17a * (5 + a) + 4a2 * (5 + a)) = 0
((5 * -15 + a * -15) + -17a * (5 + a) + 4a2 * (5 + a)) = 0
((-75 + -15a) + -17a * (5 + a) + 4a2 * (5 + a)) = 0
(-75 + -15a + (5 * -17a + a * -17a) + 4a2 * (5 + a)) = 0
(-75 + -15a + (-85a + -17a2) + 4a2 * (5 + a)) = 0
(-75 + -15a + -85a + -17a2 + (5 * 4a2 + a * 4a2)) = 0
(-75 + -15a + -85a + -17a2 + (20a2 + 4a3)) = 0

Combine like terms: -15a + -85a = -100a
(-75 + -100a + -17a2 + 20a2 + 4a3) = 0

Combine like terms: -17a2 + 20a2 = 3a2
(-75 + -100a + 3a2 + 4a3) = 0

Solving
-75 + -100a + 3a2 + 4a3 = 0

Solving for variable 'a'.

The solution to this equation could not be determined.

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