2a(a-5)+4a(a-5)=

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Solution for 2a(a-5)+4a(a-5)= equation:


Simplifying
2a(a + -5) + 4a(a + -5) = 0

Reorder the terms:
2a(-5 + a) + 4a(a + -5) = 0
(-5 * 2a + a * 2a) + 4a(a + -5) = 0
(-10a + 2a2) + 4a(a + -5) = 0

Reorder the terms:
-10a + 2a2 + 4a(-5 + a) = 0
-10a + 2a2 + (-5 * 4a + a * 4a) = 0
-10a + 2a2 + (-20a + 4a2) = 0

Reorder the terms:
-10a + -20a + 2a2 + 4a2 = 0

Combine like terms: -10a + -20a = -30a
-30a + 2a2 + 4a2 = 0

Combine like terms: 2a2 + 4a2 = 6a2
-30a + 6a2 = 0

Solving
-30a + 6a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '6a'.
6a(-5 + a) = 0

Ignore the factor 6.

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 '(-5 + a)' equal to zero and attempt to solve: Simplifying -5 + a = 0 Solving -5 + a = 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 + a = 0 + 5 Combine like terms: -5 + 5 = 0 0 + a = 0 + 5 a = 0 + 5 Combine like terms: 0 + 5 = 5 a = 5 Simplifying a = 5

Solution

a = {0, 5}

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