evaluate 2b² – 3b + 4a² for a= -6 and b=8

Question

evaluate 2b² – 3b + 4a² for a= -6 and b=8

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Melanie 3 months 2022-02-02T14:52:23+00:00 1 Answer 0 views 0

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    2022-02-02T14:54:00+00:00

    Answer:

    Step-by-step explanation:

    2b^2 – 3b + 4a^2……..a =-6 and b = 8

    now we sub

    2(8^2) – 3(8) + 4(-6^2)

    2(64) – 24 + 4(36)

    128 – 24 + 144

    272 – 24

    248 <==

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45:7+7-4:2-5:5*4+35:2 =? ( )