6q^2-4q=5q^2-7q+18

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Solution for 6q^2-4q=5q^2-7q+18 equation:


Simplifying
6q2 + -4q = 5q2 + -7q + 18

Reorder the terms:
-4q + 6q2 = 5q2 + -7q + 18

Reorder the terms:
-4q + 6q2 = 18 + -7q + 5q2

Solving
-4q + 6q2 = 18 + -7q + 5q2

Solving for variable 'q'.

Reorder the terms:
-18 + -4q + 7q + 6q2 + -5q2 = 18 + -7q + 5q2 + -18 + 7q + -5q2

Combine like terms: -4q + 7q = 3q
-18 + 3q + 6q2 + -5q2 = 18 + -7q + 5q2 + -18 + 7q + -5q2

Combine like terms: 6q2 + -5q2 = 1q2
-18 + 3q + 1q2 = 18 + -7q + 5q2 + -18 + 7q + -5q2

Reorder the terms:
-18 + 3q + 1q2 = 18 + -18 + -7q + 7q + 5q2 + -5q2

Combine like terms: 18 + -18 = 0
-18 + 3q + 1q2 = 0 + -7q + 7q + 5q2 + -5q2
-18 + 3q + 1q2 = -7q + 7q + 5q2 + -5q2

Combine like terms: -7q + 7q = 0
-18 + 3q + 1q2 = 0 + 5q2 + -5q2
-18 + 3q + 1q2 = 5q2 + -5q2

Combine like terms: 5q2 + -5q2 = 0
-18 + 3q + 1q2 = 0

Factor a trinomial.
(-6 + -1q)(3 + -1q) = 0

Subproblem 1

Set the factor '(-6 + -1q)' equal to zero and attempt to solve: Simplifying -6 + -1q = 0 Solving -6 + -1q = 0 Move all terms containing q to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1q = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1q = 0 + 6 -1q = 0 + 6 Combine like terms: 0 + 6 = 6 -1q = 6 Divide each side by '-1'. q = -6 Simplifying q = -6

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 = {-6, 3}

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