(3a-4)(4a+6)=

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Solution for (3a-4)(4a+6)= equation:


Simplifying
(3a + -4)(4a + 6) = 0

Reorder the terms:
(-4 + 3a)(4a + 6) = 0

Reorder the terms:
(-4 + 3a)(6 + 4a) = 0

Multiply (-4 + 3a) * (6 + 4a)
(-4(6 + 4a) + 3a * (6 + 4a)) = 0
((6 * -4 + 4a * -4) + 3a * (6 + 4a)) = 0
((-24 + -16a) + 3a * (6 + 4a)) = 0
(-24 + -16a + (6 * 3a + 4a * 3a)) = 0
(-24 + -16a + (18a + 12a2)) = 0

Combine like terms: -16a + 18a = 2a
(-24 + 2a + 12a2) = 0

Solving
-24 + 2a + 12a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-12 + a + 6a2) = 0

Factor a trinomial.
2((-3 + -2a)(4 + -3a)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-3 + -2a)' equal to zero and attempt to solve: Simplifying -3 + -2a = 0 Solving -3 + -2a = 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 + -2a = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2a = 0 + 3 -2a = 0 + 3 Combine like terms: 0 + 3 = 3 -2a = 3 Divide each side by '-2'. a = -1.5 Simplifying a = -1.5

Subproblem 2

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

Solution

a = {-1.5, 1.333333333}

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