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22 September, 01:08

If a = - 2 and b = 4 3a^2 - 5b = 6ab^2=

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Answers (2)
  1. 22 September, 03:09
    0
    3a^2 - 5b = 32

    6ab^2=-192

    Step-by-step explanation:

    3a^2 - 5b =

    Let a = - 2 and b=4

    3 (-2) ^2 - 5 (-4)

    3*4 - (-20)

    12 + 20

    32

    6ab^2=

    6 (-2) * (4) ^2

    6 (-2) * 16

    -192
  2. 22 September, 03:18
    0
    -2 and b = 4 3a^2 - 5b = 6ab^2=
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