2q^2-18=

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Solution for 2q^2-18= equation:


Simplifying
2q2 + -18 = 0

Reorder the terms:
-18 + 2q2 = 0

Solving
-18 + 2q2 = 0

Solving for variable 'q'.

Move all terms containing q to the left, all other terms to the right.

Add '18' to each side of the equation.
-18 + 18 + 2q2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 2q2 = 0 + 18
2q2 = 0 + 18

Combine like terms: 0 + 18 = 18
2q2 = 18

Divide each side by '2'.
q2 = 9

Simplifying
q2 = 9

Take the square root of each side:
q = {-3, 3}

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