(3a+5)-2a(8-3a)=

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Solution for (3a+5)-2a(8-3a)= equation:


Simplifying
(3a + 5) + -2a(8 + -3a) = 0

Reorder the terms:
(5 + 3a) + -2a(8 + -3a) = 0

Remove parenthesis around (5 + 3a)
5 + 3a + -2a(8 + -3a) = 0
5 + 3a + (8 * -2a + -3a * -2a) = 0
5 + 3a + (-16a + 6a2) = 0

Combine like terms: 3a + -16a = -13a
5 + -13a + 6a2 = 0

Solving
5 + -13a + 6a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(1 + -2a)(5 + -3a) = 0

Subproblem 1

Set the factor '(1 + -2a)' equal to zero and attempt to solve: Simplifying 1 + -2a = 0 Solving 1 + -2a = 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 + -2a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2a = 0 + -1 -2a = 0 + -1 Combine like terms: 0 + -1 = -1 -2a = -1 Divide each side by '-2'. a = 0.5 Simplifying a = 0.5

Subproblem 2

Set the factor '(5 + -3a)' equal to zero and attempt to solve: Simplifying 5 + -3a = 0 Solving 5 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3a = 0 + -5 -3a = 0 + -5 Combine like terms: 0 + -5 = -5 -3a = -5 Divide each side by '-3'. a = 1.666666667 Simplifying a = 1.666666667

Solution

a = {0.5, 1.666666667}

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