12a2 + 4b for a = 8 & b = -6. PLease help

Question

12a2 + 4b for a = 8 & b = -6.
PLease help

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Tryphena 6 months 2021-08-28T11:32:23+00:00 1 Answers 0 views 0

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    2021-08-28T11:33:43+00:00

    Answer:

    744

    Step-by-step explanation:

    12a^2 + 4b

    Plug-in:

    12(8)^2 + 4(-6)

    12(64) + 4(-6)

    768 – 24

    744

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )