15a^2-3a=7a

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Solution for 15a^2-3a=7a equation:


Simplifying
15a2 + -3a = 7a

Reorder the terms:
-3a + 15a2 = 7a

Solving
-3a + 15a2 = 7a

Solving for variable 'a'.

Reorder the terms:
-3a + -7a + 15a2 = 7a + -7a

Combine like terms: -3a + -7a = -10a
-10a + 15a2 = 7a + -7a

Combine like terms: 7a + -7a = 0
-10a + 15a2 = 0

Factor out the Greatest Common Factor (GCF), '5a'.
5a(-2 + 3a) = 0

Ignore the factor 5.

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 '(-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, 0.6666666667}

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