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14 February, 23:14

G (a) = 2a+2 and h (a) = - 2a-5. Find (g •h) (-4+a)

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  1. 15 February, 03:07
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    G (a) = 2a+2

    h (a) = - 2a-5

    (g*h) (-4+a) = (2 (-4+a) + 2) * (-2 (-4+a) - 5)

    (g*h) (-4+a) = (-8+2a+2) (8-2a-5)

    (g*h) (-4+a) = (2a-6) (-2a+3)

    (g*h) (-4+a) = - 4a^2+6a+12a-18

    (g*h) (-4+a) = - 4a^2+18a-18
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