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

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


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

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

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

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

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

Combine like terms: -15a + 4a = -11a
(-20 + -11a + 3a2)(5 + a) = 0

Multiply (-20 + -11a + 3a2) * (5 + a)
(-20(5 + a) + -11a * (5 + a) + 3a2 * (5 + a)) = 0
((5 * -20 + a * -20) + -11a * (5 + a) + 3a2 * (5 + a)) = 0
((-100 + -20a) + -11a * (5 + a) + 3a2 * (5 + a)) = 0
(-100 + -20a + (5 * -11a + a * -11a) + 3a2 * (5 + a)) = 0
(-100 + -20a + (-55a + -11a2) + 3a2 * (5 + a)) = 0
(-100 + -20a + -55a + -11a2 + (5 * 3a2 + a * 3a2)) = 0
(-100 + -20a + -55a + -11a2 + (15a2 + 3a3)) = 0

Combine like terms: -20a + -55a = -75a
(-100 + -75a + -11a2 + 15a2 + 3a3) = 0

Combine like terms: -11a2 + 15a2 = 4a2
(-100 + -75a + 4a2 + 3a3) = 0

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

Solving for variable 'a'.

The solution to this equation could not be determined.

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