(7a^4+4a)-(4a^4-2a)=

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Solution for (7a^4+4a)-(4a^4-2a)= equation:


Simplifying
(7a4 + 4a) + -1(4a4 + -2a) = 0

Reorder the terms:
(4a + 7a4) + -1(4a4 + -2a) = 0

Remove parenthesis around (4a + 7a4)
4a + 7a4 + -1(4a4 + -2a) = 0

Reorder the terms:
4a + 7a4 + -1(-2a + 4a4) = 0
4a + 7a4 + (-2a * -1 + 4a4 * -1) = 0
4a + 7a4 + (2a + -4a4) = 0

Reorder the terms:
4a + 2a + 7a4 + -4a4 = 0

Combine like terms: 4a + 2a = 6a
6a + 7a4 + -4a4 = 0

Combine like terms: 7a4 + -4a4 = 3a4
6a + 3a4 = 0

Solving
6a + 3a4 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '3a'.
3a(2 + a3) = 0

Ignore the factor 3.

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 + a3)' equal to zero and attempt to solve: Simplifying 2 + a3 = 0 Solving 2 + a3 = 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 + a3 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + a3 = 0 + -2 a3 = 0 + -2 Combine like terms: 0 + -2 = -2 a3 = -2 Simplifying a3 = -2 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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