a+3=(a-2)2a-4

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Solution for a+3=(a-2)2a-4 equation:


Simplifying
a + 3 = (a + -2) * 2a + -4

Reorder the terms:
3 + a = (a + -2) * 2a + -4

Reorder the terms:
3 + a = (-2 + a) * 2a + -4

Reorder the terms for easier multiplication:
3 + a = 2a(-2 + a) + -4
3 + a = (-2 * 2a + a * 2a) + -4
3 + a = (-4a + 2a2) + -4

Reorder the terms:
3 + a = -4 + -4a + 2a2

Solving
3 + a = -4 + -4a + 2a2

Solving for variable 'a'.

Reorder the terms:
3 + 4 + a + 4a + -2a2 = -4 + -4a + 2a2 + 4 + 4a + -2a2

Combine like terms: 3 + 4 = 7
7 + a + 4a + -2a2 = -4 + -4a + 2a2 + 4 + 4a + -2a2

Combine like terms: a + 4a = 5a
7 + 5a + -2a2 = -4 + -4a + 2a2 + 4 + 4a + -2a2

Reorder the terms:
7 + 5a + -2a2 = -4 + 4 + -4a + 4a + 2a2 + -2a2

Combine like terms: -4 + 4 = 0
7 + 5a + -2a2 = 0 + -4a + 4a + 2a2 + -2a2
7 + 5a + -2a2 = -4a + 4a + 2a2 + -2a2

Combine like terms: -4a + 4a = 0
7 + 5a + -2a2 = 0 + 2a2 + -2a2
7 + 5a + -2a2 = 2a2 + -2a2

Combine like terms: 2a2 + -2a2 = 0
7 + 5a + -2a2 = 0

Factor a trinomial.
(7 + -2a)(1 + a) = 0

Subproblem 1

Set the factor '(7 + -2a)' equal to zero and attempt to solve: Simplifying 7 + -2a = 0 Solving 7 + -2a = 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 + -2a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2a = 0 + -7 -2a = 0 + -7 Combine like terms: 0 + -7 = -7 -2a = -7 Divide each side by '-2'. a = 3.5 Simplifying a = 3.5

Subproblem 2

Set the factor '(1 + a)' equal to zero and attempt to solve: Simplifying 1 + a = 0 Solving 1 + a = 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 + a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + a = 0 + -1 a = 0 + -1 Combine like terms: 0 + -1 = -1 a = -1 Simplifying a = -1

Solution

a = {3.5, -1}

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