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10 June, 05:31

What is - 12 (7z+4) + 15 (5z-15) =

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  1. 10 June, 08:12
    0
    Answer: - 9z-273

    Step-by-step explanation:

    Let's simplify step-by-step.

    -12 (7z+4) + 15 (5z-15)

    Distribute:

    = (-12) (7z) + (-12) (4) + (15) (5z) + (15) (-15)

    =-84z+-48+75z+-225

    Combine Like Terms:

    =-84z+-48+75z+-225

    = (-84z+75z) + (-48+-225)

    =-9z+-273
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