9a^2-3ab-12b^2=0

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Solution for 9a^2-3ab-12b^2=0 equation:


Simplifying
9a2 + -3ab + -12b2 = 0

Reorder the terms:
-3ab + 9a2 + -12b2 = 0

Solving
-3ab + 9a2 + -12b2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-1ab + 3a2 + -4b2) = 0

Factor a trinomial.
3((3a + -4b)(a + b)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(3a + -4b)' equal to zero and attempt to solve: Simplifying 3a + -4b = 0 Solving 3a + -4b = 0 Move all terms containing a to the left, all other terms to the right. Add '4b' to each side of the equation. 3a + -4b + 4b = 0 + 4b Combine like terms: -4b + 4b = 0 3a + 0 = 0 + 4b 3a = 0 + 4b Remove the zero: 3a = 4b Divide each side by '3'. a = 1.333333333b Simplifying a = 1.333333333b

Subproblem 2

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

Solution

a = {1.333333333b, -1b}

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