Hoi there!
First, we can open parenthesis.
10+6x+x+10
Then combine like terms.
20+4x
We can put it in parenthesis (if you need it that way).
4(5+x)
So, your answer would be:
20+4x in not factored form.
4(5+x) in factored form.
Hope I helped, sorry if I'm wrong ouo.
~Potato.
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