15a^2-a=6

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Solution for 15a^2-a=6 equation:


Simplifying
15a2 + -1a = 6

Reorder the terms:
-1a + 15a2 = 6

Solving
-1a + 15a2 = 6

Solving for variable 'a'.

Reorder the terms:
-6 + -1a + 15a2 = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + -1a + 15a2 = 0

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

Subproblem 1

Set the factor '(-3 + -5a)' equal to zero and attempt to solve: Simplifying -3 + -5a = 0 Solving -3 + -5a = 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 + -5a = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5a = 0 + 3 -5a = 0 + 3 Combine like terms: 0 + 3 = 3 -5a = 3 Divide each side by '-5'. a = -0.6 Simplifying a = -0.6

Subproblem 2

Set the factor '(2 + -3a)' equal to zero and attempt to solve: Simplifying 2 + -3a = 0 Solving 2 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3a = 0 + -2 -3a = 0 + -2 Combine like terms: 0 + -2 = -2 -3a = -2 Divide each side by '-3'. a = 0.6666666667 Simplifying a = 0.6666666667

Solution

a = {-0.6, 0.6666666667}

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