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24 March, 21:36

Which of the following show the expanded and simplified version of the expression

g (x) = 6 (x + 2) 2 + (x - 3) (x - 5)

a) 5x² + 16x + 39

Ob) 7x² + 32x + 39

Oc) 7x² + 16x + 39

d) 7x² + 32x + 9

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  1. 24 March, 21:39
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    c) 7x² + 16x + 39

    Step-by-step explanation:

    g (x) = 6 (x + 2) ² + (x - 3) (x - 5)

    g (x) = 6 (x² + 2*2x + 2²) + (x² - 3x - 5x + 15) =

    = 6x² + 24x + 24 + x² - 8x + 15 = 7x² + 16x + 39
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