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16 July, 23:31

1. Multiply 4 (x3 - 2x + 4)

A. 4x3 + 2x + 8

B. 4x3 - 8x + 16

C. 4x3 - 2x + 4

2. Multiply - 2x (3x2 + x - 5)

A. - 6x2 - 2x + 10

B. - 6x3 + x - 5

C. - 6x3 - 2x2 + 10x

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Answers (1)
  1. 17 July, 00:13
    0
    The first one is B

    4 (x3 - 2x + 4)

    distribute the 4 to everything in the parenthesis to get

    4x3 - 8x + 16

    The second one is A

    distribute the - 2x to everything in parenthesis to get

    -2x (3x2 + x - 5)

    -6x2 - 2x + 10
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