- Paula's time swimming in the Ironman Triathlon was 1 hour 25 minutes. Her time biking was 5
1 answer:
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Answer:
A
Step-by-step explanation:
Note that
x² + 12x + 36 is a perfect square → (x + 6)², hence
=
= (x + 6)
Hence
f(x) × g(x)
= (x + 6)(x³ - 11)
= - 11x + 6x³ - 66
= + 6x³ - 11x - 66 → A