7a^2-41a+27=-6a-1

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Solution for 7a^2-41a+27=-6a-1 equation:


Simplifying
7a2 + -41a + 27 = -6a + -1

Reorder the terms:
27 + -41a + 7a2 = -6a + -1

Reorder the terms:
27 + -41a + 7a2 = -1 + -6a

Solving
27 + -41a + 7a2 = -1 + -6a

Solving for variable 'a'.

Reorder the terms:
27 + 1 + -41a + 6a + 7a2 = -1 + -6a + 1 + 6a

Combine like terms: 27 + 1 = 28
28 + -41a + 6a + 7a2 = -1 + -6a + 1 + 6a

Combine like terms: -41a + 6a = -35a
28 + -35a + 7a2 = -1 + -6a + 1 + 6a

Reorder the terms:
28 + -35a + 7a2 = -1 + 1 + -6a + 6a

Combine like terms: -1 + 1 = 0
28 + -35a + 7a2 = 0 + -6a + 6a
28 + -35a + 7a2 = -6a + 6a

Combine like terms: -6a + 6a = 0
28 + -35a + 7a2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(4 + -5a + a2) = 0

Factor a trinomial.
7((1 + -1a)(4 + -1a)) = 0

Ignore the factor 7.

Subproblem 1

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

Subproblem 2

Set the factor '(4 + -1a)' equal to zero and attempt to solve: Simplifying 4 + -1a = 0 Solving 4 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1a = 0 + -4 -1a = 0 + -4 Combine like terms: 0 + -4 = -4 -1a = -4 Divide each side by '-1'. a = 4 Simplifying a = 4

Solution

a = {1, 4}

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