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(2x – y)(- x – 2y + z – 8) =

    • -2x2 – 3xy + 2xz – 16x + 2y2 – yz + 8y
    • -2x2 – 5xy + 2xz – 16x + 2y2 – yz + 8y
    • -2x2 – 5xy – 2xz – 16x – 2y2 – yz – 8y
    • 2x2 – 3xy + 2xz – 16x – 2y2 – yz + 8y