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Vikki [24]
4 years ago
7

How to to this?Can you please help?1.A

Mathematics
1 answer:
eimsori [14]4 years ago
8 0
First you need to expand them
(x^2 + 9) + (2x + 6)
then you add them together

x^2 + 2x + 15
now you can factorise it

i hope this helped you
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