-5a(3a^2-6a)-4(2a^2-4a)=0

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Solution for -5a(3a^2-6a)-4(2a^2-4a)=0 equation:


Simplifying
-5a(3a2 + -6a) + -4(2a2 + -4a) = 0

Reorder the terms:
-5a(-6a + 3a2) + -4(2a2 + -4a) = 0
(-6a * -5a + 3a2 * -5a) + -4(2a2 + -4a) = 0
(30a2 + -15a3) + -4(2a2 + -4a) = 0

Reorder the terms:
30a2 + -15a3 + -4(-4a + 2a2) = 0
30a2 + -15a3 + (-4a * -4 + 2a2 * -4) = 0
30a2 + -15a3 + (16a + -8a2) = 0

Reorder the terms:
16a + 30a2 + -8a2 + -15a3 = 0

Combine like terms: 30a2 + -8a2 = 22a2
16a + 22a2 + -15a3 = 0

Solving
16a + 22a2 + -15a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(16 + 22a + -15a2) = 0

Factor a trinomial.
a((2 + -1a)(8 + 15a)) = 0

Subproblem 1

Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0

Subproblem 2

Set the factor '(2 + -1a)' equal to zero and attempt to solve: Simplifying 2 + -1a = 0 Solving 2 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1a = 0 + -2 -1a = 0 + -2 Combine like terms: 0 + -2 = -2 -1a = -2 Divide each side by '-1'. a = 2 Simplifying a = 2

Subproblem 3

Set the factor '(8 + 15a)' equal to zero and attempt to solve: Simplifying 8 + 15a = 0 Solving 8 + 15a = 0 Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 15a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 15a = 0 + -8 15a = 0 + -8 Combine like terms: 0 + -8 = -8 15a = -8 Divide each side by '15'. a = -0.5333333333 Simplifying a = -0.5333333333

Solution

a = {0, 2, -0.5333333333}

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