Answer:
20 ........................
Answer:
5
Step-by-step explanation:
Plug in x = 2 into the equation 2x + 1
2x + 1
2 * 2 + 1
4 + 1
5
Step-by-step explanation:
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we can use formula


now, we can cancel terms
and then we can simplify it



now, we can simplify it
and we get
...........Answer