9q^2-3q=8q^2-9q+27

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Solution for 9q^2-3q=8q^2-9q+27 equation:


Simplifying
9q2 + -3q = 8q2 + -9q + 27

Reorder the terms:
-3q + 9q2 = 8q2 + -9q + 27

Reorder the terms:
-3q + 9q2 = 27 + -9q + 8q2

Solving
-3q + 9q2 = 27 + -9q + 8q2

Solving for variable 'q'.

Reorder the terms:
-27 + -3q + 9q + 9q2 + -8q2 = 27 + -9q + 8q2 + -27 + 9q + -8q2

Combine like terms: -3q + 9q = 6q
-27 + 6q + 9q2 + -8q2 = 27 + -9q + 8q2 + -27 + 9q + -8q2

Combine like terms: 9q2 + -8q2 = 1q2
-27 + 6q + 1q2 = 27 + -9q + 8q2 + -27 + 9q + -8q2

Reorder the terms:
-27 + 6q + 1q2 = 27 + -27 + -9q + 9q + 8q2 + -8q2

Combine like terms: 27 + -27 = 0
-27 + 6q + 1q2 = 0 + -9q + 9q + 8q2 + -8q2
-27 + 6q + 1q2 = -9q + 9q + 8q2 + -8q2

Combine like terms: -9q + 9q = 0
-27 + 6q + 1q2 = 0 + 8q2 + -8q2
-27 + 6q + 1q2 = 8q2 + -8q2

Combine like terms: 8q2 + -8q2 = 0
-27 + 6q + 1q2 = 0

Factor a trinomial.
(-9 + -1q)(3 + -1q) = 0

Subproblem 1

Set the factor '(-9 + -1q)' equal to zero and attempt to solve: Simplifying -9 + -1q = 0 Solving -9 + -1q = 0 Move all terms containing q to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1q = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1q = 0 + 9 -1q = 0 + 9 Combine like terms: 0 + 9 = 9 -1q = 9 Divide each side by '-1'. q = -9 Simplifying q = -9

Subproblem 2

Set the factor '(3 + -1q)' equal to zero and attempt to solve: Simplifying 3 + -1q = 0 Solving 3 + -1q = 0 Move all terms containing q to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1q = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1q = 0 + -3 -1q = 0 + -3 Combine like terms: 0 + -3 = -3 -1q = -3 Divide each side by '-1'. q = 3 Simplifying q = 3

Solution

q = {-9, 3}

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