(3a+2)(a-3)=

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Solution for (3a+2)(a-3)= equation:


Simplifying
(3a + 2)(a + -3) = 0

Reorder the terms:
(2 + 3a)(a + -3) = 0

Reorder the terms:
(2 + 3a)(-3 + a) = 0

Multiply (2 + 3a) * (-3 + a)
(2(-3 + a) + 3a * (-3 + a)) = 0
((-3 * 2 + a * 2) + 3a * (-3 + a)) = 0
((-6 + 2a) + 3a * (-3 + a)) = 0
(-6 + 2a + (-3 * 3a + a * 3a)) = 0
(-6 + 2a + (-9a + 3a2)) = 0

Combine like terms: 2a + -9a = -7a
(-6 + -7a + 3a2) = 0

Solving
-6 + -7a + 3a2 = 0

Solving for variable 'a'.

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

Subproblem 1

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 2

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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