What is the coefficient of $x$ when $(x - 2) (x + 9)$ is expanded?

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What is the coefficient of $x$ when $(x - 9) (x - 6)$ is expanded?
What is the coefficient of $x$ when $(x + 2) (x - 4)$ is expanded?
What is the coefficient of $x$ when $(x + 8) (x - 2)$ is expanded?
What is the coefficient of $x$ when $(x - 9) (x + 8)$ is expanded?
What is the coefficient of $x$ when $(x + 8) (x + 4)$ is expanded?
Simplify and evaluate $\frac{2 ^{5} \times 2 ^{4}}{2 ^{3}}$ .