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27 June, 19:51

Find (fg) (x) for: f (x) = (x + 16) x; g (x) = (2x) (x + 4)

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  1. 27 June, 20:20
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    Basically multiply f (x) and g (x)

    (fg) (x) = (x+16) (x) (2x) (x+4) =

    (x²+16x) (2x²+8x) =

    2x⁴+32x³+8x³+128x²=

    2x⁴+40x³+128x² = (fg) (x)
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