2a(8-a)+a(a-1)=

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Solution for 2a(8-a)+a(a-1)= equation:


Simplifying
2a(8 + -1a) + a(a + -1) = 0
(8 * 2a + -1a * 2a) + a(a + -1) = 0
(16a + -2a2) + a(a + -1) = 0

Reorder the terms:
16a + -2a2 + a(-1 + a) = 0
16a + -2a2 + (-1 * a + a * a) = 0
16a + -2a2 + (-1a + a2) = 0

Reorder the terms:
16a + -1a + -2a2 + a2 = 0

Combine like terms: 16a + -1a = 15a
15a + -2a2 + a2 = 0

Combine like terms: -2a2 + a2 = -1a2
15a + -1a2 = 0

Solving
15a + -1a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(15 + -1a) = 0

Subproblem 1

Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0

Subproblem 2

Set the factor '(15 + -1a)' equal to zero and attempt to solve: Simplifying 15 + -1a = 0 Solving 15 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -1a = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -1a = 0 + -15 -1a = 0 + -15 Combine like terms: 0 + -15 = -15 -1a = -15 Divide each side by '-1'. a = 15 Simplifying a = 15

Solution

a = {0, 15}

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