2(3a-7)(5a-6)=

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Solution for 2(3a-7)(5a-6)= equation:


Simplifying
2(3a + -7)(5a + -6) = 0

Reorder the terms:
2(-7 + 3a)(5a + -6) = 0

Reorder the terms:
2(-7 + 3a)(-6 + 5a) = 0

Multiply (-7 + 3a) * (-6 + 5a)
2(-7(-6 + 5a) + 3a * (-6 + 5a)) = 0
2((-6 * -7 + 5a * -7) + 3a * (-6 + 5a)) = 0
2((42 + -35a) + 3a * (-6 + 5a)) = 0
2(42 + -35a + (-6 * 3a + 5a * 3a)) = 0
2(42 + -35a + (-18a + 15a2)) = 0

Combine like terms: -35a + -18a = -53a
2(42 + -53a + 15a2) = 0
(42 * 2 + -53a * 2 + 15a2 * 2) = 0
(84 + -106a + 30a2) = 0

Solving
84 + -106a + 30a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '2'.
2(42 + -53a + 15a2) = 0

Factor a trinomial.
2((6 + -5a)(7 + -3a)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(6 + -5a)' equal to zero and attempt to solve: Simplifying 6 + -5a = 0 Solving 6 + -5a = 0 Move all terms containing a to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -5a = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5a = 0 + -6 -5a = 0 + -6 Combine like terms: 0 + -6 = -6 -5a = -6 Divide each side by '-5'. a = 1.2 Simplifying a = 1.2

Subproblem 2

Set the factor '(7 + -3a)' equal to zero and attempt to solve: Simplifying 7 + -3a = 0 Solving 7 + -3a = 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 + -3a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3a = 0 + -7 -3a = 0 + -7 Combine like terms: 0 + -7 = -7 -3a = -7 Divide each side by '-3'. a = 2.333333333 Simplifying a = 2.333333333

Solution

a = {1.2, 2.333333333}

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