(6a+7)(2a-3)=0

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Solution for (6a+7)(2a-3)=0 equation:


Simplifying
(6a + 7)(2a + -3) = 0

Reorder the terms:
(7 + 6a)(2a + -3) = 0

Reorder the terms:
(7 + 6a)(-3 + 2a) = 0

Multiply (7 + 6a) * (-3 + 2a)
(7(-3 + 2a) + 6a * (-3 + 2a)) = 0
((-3 * 7 + 2a * 7) + 6a * (-3 + 2a)) = 0
((-21 + 14a) + 6a * (-3 + 2a)) = 0
(-21 + 14a + (-3 * 6a + 2a * 6a)) = 0
(-21 + 14a + (-18a + 12a2)) = 0

Combine like terms: 14a + -18a = -4a
(-21 + -4a + 12a2) = 0

Solving
-21 + -4a + 12a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-7 + -6a)(3 + -2a) = 0

Subproblem 1

Set the factor '(-7 + -6a)' equal to zero and attempt to solve: Simplifying -7 + -6a = 0 Solving -7 + -6a = 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 + -6a = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -6a = 0 + 7 -6a = 0 + 7 Combine like terms: 0 + 7 = 7 -6a = 7 Divide each side by '-6'. a = -1.166666667 Simplifying a = -1.166666667

Subproblem 2

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

Solution

a = {-1.166666667, 1.5}

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