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27 March, 17:32

Simplify this (2x - 9) (4x + 1)

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  1. 27 March, 17:46
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    If you add bith of the x's you'll get 6x and if you combine the - 9 and + 1 you'll get - 8 which leaves you with 6x-8
  2. 27 March, 17:49
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    (2x - 9) (4x + 1) = (2x + - 9) (4x + 1) = (2x) (4x) + (2x) (1) + (-9) (4x) + (-9) (1) = 8 x^2 + 2x - 36x - 9 Answer: 8 x^2 - 34x - 9
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