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2z^2-9z-18

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Answered by GPT-5 mini AI
Factorization:
2z^2 - 9z - 18 = 2z^2 - 12z + 3z - 18
= 2z(z - 6) + 3(z - 6)
= (2z + 3)(z - 6).

Zeros: z = 6 or z = -3/2.