(7a^3+5a)-(4a^3+4a)=

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Solution for (7a^3+5a)-(4a^3+4a)= equation:


Simplifying
(7a3 + 5a) + -1(4a3 + 4a) = 0

Reorder the terms:
(5a + 7a3) + -1(4a3 + 4a) = 0

Remove parenthesis around (5a + 7a3)
5a + 7a3 + -1(4a3 + 4a) = 0

Reorder the terms:
5a + 7a3 + -1(4a + 4a3) = 0
5a + 7a3 + (4a * -1 + 4a3 * -1) = 0
5a + 7a3 + (-4a + -4a3) = 0

Reorder the terms:
5a + -4a + 7a3 + -4a3 = 0

Combine like terms: 5a + -4a = 1a
1a + 7a3 + -4a3 = 0

Combine like terms: 7a3 + -4a3 = 3a3
1a + 3a3 = 0

Solving
1a + 3a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(1 + 3a2) = 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 '(1 + 3a2)' equal to zero and attempt to solve: Simplifying 1 + 3a2 = 0 Solving 1 + 3a2 = 0 Move all terms containing a to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3a2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3a2 = 0 + -1 3a2 = 0 + -1 Combine like terms: 0 + -1 = -1 3a2 = -1 Divide each side by '3'. a2 = -0.3333333333 Simplifying a2 = -0.3333333333 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Solution

a = {0}

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