9a^3b^2-21a^2b^2-18ab^2=

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Solution for 9a^3b^2-21a^2b^2-18ab^2= equation:


Simplifying
9a3b2 + -21a2b2 + -18ab2 = 0

Reorder the terms:
-18ab2 + -21a2b2 + 9a3b2 = 0

Solving
-18ab2 + -21a2b2 + 9a3b2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '3ab2'.
3ab2(-6 + -7a + 3a2) = 0

Factor a trinomial.
3ab2((-2 + -3a)(3 + -1a)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'ab2' equal to zero and attempt to solve: Simplifying ab2 = 0 Solving ab2 = 0 Move all terms containing a to the left, all other terms to the right. Simplifying ab2 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

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

Subproblem 3

Set the factor '(3 + -1a)' equal to zero and attempt to solve: Simplifying 3 + -1a = 0 Solving 3 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1a = 0 + -3 -1a = 0 + -3 Combine like terms: 0 + -3 = -3 -1a = -3 Divide each side by '-1'. a = 3 Simplifying a = 3

Solution

a = {-0.6666666667, 3}

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