a^3+3a=10a

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Solution for a^3+3a=10a equation:


Simplifying
a3 + 3a = 10a

Reorder the terms:
3a + a3 = 10a

Solving
3a + a3 = 10a

Solving for variable 'a'.

Reorder the terms:
3a + -10a + a3 = 10a + -10a

Combine like terms: 3a + -10a = -7a
-7a + a3 = 10a + -10a

Combine like terms: 10a + -10a = 0
-7a + a3 = 0

Factor out the Greatest Common Factor (GCF), 'a'.
a(-7 + a2) = 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 '(-7 + a2)' equal to zero and attempt to solve: Simplifying -7 + a2 = 0 Solving -7 + a2 = 0 Move all terms containing a to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + a2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + a2 = 0 + 7 a2 = 0 + 7 Combine like terms: 0 + 7 = 7 a2 = 7 Simplifying a2 = 7 Take the square root of each side: a = {-2.645751311, 2.645751311}

Solution

a = {0, -2.645751311, 2.645751311}

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