(3a+4)(a+6)=17

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Solution for (3a+4)(a+6)=17 equation:


Simplifying
(3a + 4)(a + 6) = 17

Reorder the terms:
(4 + 3a)(a + 6) = 17

Reorder the terms:
(4 + 3a)(6 + a) = 17

Multiply (4 + 3a) * (6 + a)
(4(6 + a) + 3a * (6 + a)) = 17
((6 * 4 + a * 4) + 3a * (6 + a)) = 17
((24 + 4a) + 3a * (6 + a)) = 17
(24 + 4a + (6 * 3a + a * 3a)) = 17
(24 + 4a + (18a + 3a2)) = 17

Combine like terms: 4a + 18a = 22a
(24 + 22a + 3a2) = 17

Solving
24 + 22a + 3a2 = 17

Solving for variable 'a'.

Reorder the terms:
24 + -17 + 22a + 3a2 = 17 + -17

Combine like terms: 24 + -17 = 7
7 + 22a + 3a2 = 17 + -17

Combine like terms: 17 + -17 = 0
7 + 22a + 3a2 = 0

Factor a trinomial.
(7 + a)(1 + 3a) = 0

Subproblem 1

Set the factor '(7 + a)' equal to zero and attempt to solve: Simplifying 7 + a = 0 Solving 7 + a = 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 + a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + a = 0 + -7 a = 0 + -7 Combine like terms: 0 + -7 = -7 a = -7 Simplifying a = -7

Subproblem 2

Set the factor '(1 + 3a)' equal to zero and attempt to solve: Simplifying 1 + 3a = 0 Solving 1 + 3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3a = 0 + -1 3a = 0 + -1 Combine like terms: 0 + -1 = -1 3a = -1 Divide each side by '3'. a = -0.3333333333 Simplifying a = -0.3333333333

Solution

a = {-7, -0.3333333333}

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