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22 June, 15:27

If s (x) = 2x2 + 3x - 4, and t (x) = x + 4 then s (x) · t (x) =

+5
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  1. 22 June, 15:37
    0
    2x^3+11x^2+8x-16 ...
  2. 22 June, 15:51
    0
    You simply multiply the two and distribute to solve. I am starting with t (x) because I think it is easier.

    (x+4) * (2x^2+3x-4)

    2x^3+3x^2-4x+8x^2+12x-16 (distribute)

    2x^3+11x^2+8x-16 (combine like terms)
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