(2a-10)(10a-2)=0

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Solution for (2a-10)(10a-2)=0 equation:


Simplifying
(2a + -10)(10a + -2) = 0

Reorder the terms:
(-10 + 2a)(10a + -2) = 0

Reorder the terms:
(-10 + 2a)(-2 + 10a) = 0

Multiply (-10 + 2a) * (-2 + 10a)
(-10(-2 + 10a) + 2a * (-2 + 10a)) = 0
((-2 * -10 + 10a * -10) + 2a * (-2 + 10a)) = 0
((20 + -100a) + 2a * (-2 + 10a)) = 0
(20 + -100a + (-2 * 2a + 10a * 2a)) = 0
(20 + -100a + (-4a + 20a2)) = 0

Combine like terms: -100a + -4a = -104a
(20 + -104a + 20a2) = 0

Solving
20 + -104a + 20a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '4'.
4(5 + -26a + 5a2) = 0

Factor a trinomial.
4((1 + -5a)(5 + -1a)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(1 + -5a)' equal to zero and attempt to solve: Simplifying 1 + -5a = 0 Solving 1 + -5a = 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 + -5a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5a = 0 + -1 -5a = 0 + -1 Combine like terms: 0 + -1 = -1 -5a = -1 Divide each side by '-5'. a = 0.2 Simplifying a = 0.2

Subproblem 2

Set the factor '(5 + -1a)' equal to zero and attempt to solve: Simplifying 5 + -1a = 0 Solving 5 + -1a = 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 + -1a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1a = 0 + -5 -1a = 0 + -5 Combine like terms: 0 + -5 = -5 -1a = -5 Divide each side by '-1'. a = 5 Simplifying a = 5

Solution

a = {0.2, 5}

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