(-8a^3-14a^2)-(-14a^3-18a^2)=0

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Solution for (-8a^3-14a^2)-(-14a^3-18a^2)=0 equation:


Simplifying
(-8a3 + -14a2) + -1(-14a3 + -18a2) = 0

Reorder the terms:
(-14a2 + -8a3) + -1(-14a3 + -18a2) = 0

Remove parenthesis around (-14a2 + -8a3)
-14a2 + -8a3 + -1(-14a3 + -18a2) = 0

Reorder the terms:
-14a2 + -8a3 + -1(-18a2 + -14a3) = 0
-14a2 + -8a3 + (-18a2 * -1 + -14a3 * -1) = 0
-14a2 + -8a3 + (18a2 + 14a3) = 0

Reorder the terms:
-14a2 + 18a2 + -8a3 + 14a3 = 0

Combine like terms: -14a2 + 18a2 = 4a2
4a2 + -8a3 + 14a3 = 0

Combine like terms: -8a3 + 14a3 = 6a3
4a2 + 6a3 = 0

Solving
4a2 + 6a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '2a2'.
2a2(2 + 3a) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'a2' equal to zero and attempt to solve: Simplifying a2 = 0 Solving a2 = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a2 = 0 Take the square root of each side: a = {0}

Subproblem 2

Set the factor '(2 + 3a)' equal to zero and attempt to solve: Simplifying 2 + 3a = 0 Solving 2 + 3a = 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 + 3a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3a = 0 + -2 3a = 0 + -2 Combine like terms: 0 + -2 = -2 3a = -2 Divide each side by '3'. a = -0.6666666667 Simplifying a = -0.6666666667

Solution

a = {0, -0.6666666667}

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