20a^2-2a-48=0

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Solution for 20a^2-2a-48=0 equation:


Simplifying
20a2 + -2a + -48 = 0

Reorder the terms:
-48 + -2a + 20a2 = 0

Solving
-48 + -2a + 20a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-24 + -1a + 10a2) = 0

Factor a trinomial.
2((-3 + -2a)(8 + -5a)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-3 + -2a)' equal to zero and attempt to solve: Simplifying -3 + -2a = 0 Solving -3 + -2a = 0 Move all terms containing a to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -2a = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2a = 0 + 3 -2a = 0 + 3 Combine like terms: 0 + 3 = 3 -2a = 3 Divide each side by '-2'. a = -1.5 Simplifying a = -1.5

Subproblem 2

Set the factor '(8 + -5a)' equal to zero and attempt to solve: Simplifying 8 + -5a = 0 Solving 8 + -5a = 0 Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -5a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -5a = 0 + -8 -5a = 0 + -8 Combine like terms: 0 + -8 = -8 -5a = -8 Divide each side by '-5'. a = 1.6 Simplifying a = 1.6

Solution

a = {-1.5, 1.6}

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