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

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


Simplifying
2(a2 + 2) + -8 = -2a(a + -2) + -5

Reorder the terms:
2(2 + a2) + -8 = -2a(a + -2) + -5
(2 * 2 + a2 * 2) + -8 = -2a(a + -2) + -5
(4 + 2a2) + -8 = -2a(a + -2) + -5

Reorder the terms:
4 + -8 + 2a2 = -2a(a + -2) + -5

Combine like terms: 4 + -8 = -4
-4 + 2a2 = -2a(a + -2) + -5

Reorder the terms:
-4 + 2a2 = -2a(-2 + a) + -5
-4 + 2a2 = (-2 * -2a + a * -2a) + -5
-4 + 2a2 = (4a + -2a2) + -5

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

Solving
-4 + 2a2 = -5 + 4a + -2a2

Solving for variable 'a'.

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

Combine like terms: -4 + 5 = 1
1 + -4a + 2a2 + 2a2 = -5 + 4a + -2a2 + 5 + -4a + 2a2

Combine like terms: 2a2 + 2a2 = 4a2
1 + -4a + 4a2 = -5 + 4a + -2a2 + 5 + -4a + 2a2

Reorder the terms:
1 + -4a + 4a2 = -5 + 5 + 4a + -4a + -2a2 + 2a2

Combine like terms: -5 + 5 = 0
1 + -4a + 4a2 = 0 + 4a + -4a + -2a2 + 2a2
1 + -4a + 4a2 = 4a + -4a + -2a2 + 2a2

Combine like terms: 4a + -4a = 0
1 + -4a + 4a2 = 0 + -2a2 + 2a2
1 + -4a + 4a2 = -2a2 + 2a2

Combine like terms: -2a2 + 2a2 = 0
1 + -4a + 4a2 = 0

Factor a trinomial.
(1 + -2a)(1 + -2a) = 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 '(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

Solution

a = {0.5, 0.5}

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