Answer:
q = 0, q = 9
Explanation:
Given
18q - 2q² = 0 ← factor out 2q from each term
2q(9 - q) = 0
Equate each factor to zero and solve for q
2q = 0 ⇒ q = 0
9 - q = 0 ⇒ q = 9
Answer:q=9
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